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A1 determiner #1,200 le plus courant 15 min de lecture

ciento

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Entraîne-toi Exemples Notes et astuces ciento en 30 secondes

Explication ciento in your Level:

At the A1 level, learning the word 'ciento' is a fundamental step in mastering basic Spanish numbers. Beginners first learn to count from one to one hundred, where they encounter the word 'cien' for exactly 100. The transition to 'ciento' occurs immediately after, as it is required to form numbers from 101 to 199. For an A1 learner, the primary focus is on understanding that 'ciento' acts as a bridge. When you want to say 105, you say 'ciento cinco'. When you want to say 150, you say 'ciento cincuenta'. The most critical rule taught at this stage is that you never use the word 'y' (and) directly after 'ciento'. English speakers naturally want to say 'ciento y cinco' because they think 'one hundred AND five', but this is incorrect in Spanish. Furthermore, A1 learners are introduced to the concept of prices and ages, which frequently utilize these numbers. If a coffee and a sandwich cost 110 pesos, the learner must understand and be able to say 'ciento diez pesos'. They also learn that 'ciento' never changes its form to match masculine or feminine nouns; it is always 'ciento' regardless of what follows, unlike numbers like 'doscientos' which change to 'doscientas' for feminine nouns. Mastery at this level involves rote memorization of the pattern and practicing listening comprehension, as native speakers often say these numbers very quickly in real-life situations like markets or shops.

At the A2 level, learners expand their use of 'ciento' beyond basic counting and prices to include more complex daily interactions and the introduction of percentages. A key concept introduced here is the phrase 'por ciento', which means 'percent'. A2 students learn to use this phrase to describe simple statistics, discounts in stores, or battery life on their phones. For example, they learn to say 'tengo un veinte por ciento de batería' (I have twenty percent battery) or 'hay un cincuenta por ciento de descuento' (there is a fifty percent discount). Additionally, learners at this stage begin to encounter the plural form 'cientos' used as a noun to express a large, indefinite quantity, such as 'cientos de personas' (hundreds of people). This helps them move away from exact numbers to more descriptive language. They also practice using 'ciento' in longer numbers, such as years. While years in the 1900s use 'mil novecientos', understanding the mechanics of 'ciento' is crucial for historical dates or reading long numbers in texts. The A2 learner must solidify the distinction between 'cien' and 'ciento', ensuring they never say 'ciento libros' but always 'cien libros', while correctly applying 'ciento' when another number follows. Consistent practice with listening exercises involving addresses, phone numbers, and prices helps cement these rules.

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At the B1 level, the usage of 'ciento' becomes more nuanced and integrated into complex sentence structures. Learners are expected to confidently discuss statistics, probabilities, and economic concepts using 'por ciento'. They learn that 'el cien por cien' or 'el cien por ciento' can be used idiomatically to mean 'absolutely' or 'completely', as in 'estoy seguro al cien por cien' (I am one hundred percent sure). The grammar surrounding percentages also becomes a focus; for instance, learners study subject-verb agreement when a percentage is the subject of a sentence. If they say 'el ochenta por ciento de los alumnos aprobaron', they understand that the verb 'aprobaron' is plural because it agrees with 'alumnos', even though 'por ciento' is singular. B1 students also encounter related vocabulary such as 'centenar' (a group of a hundred) and learn to differentiate its usage from 'cientos'. They practice reading and speaking large numbers fluidly, integrating 'ciento' seamlessly into figures like 3,145 (tres mil ciento cuarenta y cinco). At this intermediate stage, the focus shifts from simply knowing the rules to applying them automatically in spontaneous conversation, whether debating a topic using statistical evidence or recounting a story involving large quantities of items or people.

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At the B2 level, learners engage with 'ciento' in highly formal and specialized contexts, such as academic reading, business Spanish, and detailed news analysis. The vocabulary expands to include precise financial terminology where percentages and large numbers are critical. B2 students are comfortable discussing inflation rates, interest margins, and demographic shifts using 'por ciento' with precision. They also explore the stylistic choices between 'cien por cien' and 'ciento por ciento', understanding regional preferences and register. Furthermore, they encounter 'ciento' in literature and formal writing, where numbers are often written out in words rather than digits. They must be able to write 'ciento veintitrés' correctly, noting the accent mark on 'trés' when it forms a single word in other number combinations, though 'ciento' itself remains separate. The use of 'cientos' as an exaggerative tool becomes more sophisticated, used to add rhetorical flair to arguments or narratives. B2 learners also refine their pronunciation, ensuring that 'ciento' flows naturally without awkward pauses, blending smoothly with the surrounding words in fast-paced speech. The mastery of 'ciento' at this level is characterized by accuracy, fluency, and the ability to comprehend its use in complex, multi-layered texts.

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At the C1 level, the understanding of 'ciento' is near-native, characterized by a deep comprehension of idiomatic expressions, historical contexts, and subtle linguistic nuances. Learners at this advanced stage can effortlessly navigate complex financial reports, scientific papers, and legal documents where precise numerical phrasing is paramount. They understand the historical evolution of the word and its roots in Latin, which helps them decode related advanced vocabulary. C1 students are adept at using 'ciento' in highly idiomatic ways, recognizing phrases where 'ciento' might be used metaphorically rather than literally. They also master the precise rules of apocope in rare or archaic contexts that might appear in classical literature. When speaking, they use 'cientos' and 'centenares' interchangeably but with a keen awareness of the slight shifts in tone—'centenares' sounding slightly more formal or journalistic. The focus at C1 is not on learning new rules about 'ciento', but on perfecting its application in the most demanding linguistic environments, ensuring that their use of numbers is as sophisticated and natural as that of an educated native speaker. They can also engage in meta-linguistic discussions about the rules governing 'ciento' and 'cien'.

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At the C2 level, the mastery of 'ciento' represents complete linguistic fluency and cultural integration. A C2 speaker uses 'ciento' with absolute precision across all domains, from casual slang to the highest levels of academic and professional discourse. They are aware of dialectal variations in the pronunciation and usage of 'ciento' across different Spanish-speaking countries, such as the slight aspiration of the 's' in 'cientos' in certain Caribbean or Andalusian dialects. They can read and interpret centuries-old texts where the spelling or usage of 'ciento' might differ slightly from modern standards. In professional settings, such as economics or engineering, they use complex percentage structures and fractional expressions involving 'ciento' without hesitation. The C2 learner also appreciates the poetic and literary uses of numbers, understanding how authors use 'cientos' to create rhythm or emphasize scale in a narrative. At this pinnacle of language acquisition, 'ciento' is no longer a grammatical hurdle but a fully integrated tool for precise, elegant, and culturally resonant communication. The speaker intuitively knows when a number requires 'ciento' and executes it flawlessly, reflecting a profound internalization of the Spanish language's rhythm and structure.

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Entraîne-toi Exemples Notes et astuces

ciento en 30 secondes

Used for numbers 101 to 199.
Never use 'y' immediately after it.
Used in 'por ciento' for percentages.
Plural 'cientos' means 'hundreds'.

The Spanish word "ciento" is a fundamental numeral that translates to "one hundred" in English, but its usage is governed by specific grammatical rules that distinguish it from its closely related counterpart, "cien." Understanding when to use "ciento" versus "cien" is a critical milestone for any Spanish learner, as it directly impacts one's ability to communicate effectively in everyday situations such as shopping, discussing statistics, or expressing quantities. The word "ciento" is derived from the Latin word "centum," which also gives us English words like "century" and "percent." In Spanish, "ciento" is primarily used when the number one hundred is followed by another number to form a more complex numeral, such as "ciento uno" (one hundred and one), "ciento diez" (one hundred and ten), or "ciento noventa y nueve" (one hundred and ninety-nine). It is essential to note that unlike in English, where we often insert the word "and" between the hundred and the tens or units (e.g., one hundred and five), in Spanish, "ciento" connects directly to the following number without the conjunction "y," unless the number itself contains "y," such as in "ciento treinta y cinco."

Rule of Apocope: The word drops its final syllable to become 'cien' when immediately preceding a noun or the numbers mil, millones, or billones.

El libro cuesta ciento veinte pesos en la tienda.

Furthermore, "ciento" is used in the expression of percentages, specifically in the phrase "por ciento," which translates directly to "percent." For example, "el veinte por ciento" means "twenty percent." This usage is ubiquitous in commerce, news, and daily conversation. However, the most common pitfall for learners is failing to apply the rule of apocope. Apocope is the linguistic process where a word loses one or more sounds at the end. In the case of "ciento," it drops the final syllable "-to" to become "cien" whenever it immediately precedes a noun, regardless of whether that noun is masculine or feminine. For instance, you must say "cien libros" (one hundred books) and "cien casas" (one hundred houses), never "ciento libros" or "ciento casas."

Percentages: Always use 'ciento' in the phrase 'por ciento' to express a percentage, regardless of what follows.

Aprobó el examen con un noventa por ciento de aciertos.

This rule also applies when "cien" precedes the numbers "mil" (thousand), "millones" (millions), or "billones" (billions), resulting in "cien mil" (one hundred thousand), not "ciento mil." The only exception to this apocope rule is when "ciento" is part of a larger number that does not end in a round hundred, as previously mentioned. To master "ciento," one must practice these patterns repeatedly until they become second nature. Let us explore some detailed examples to solidify this understanding. When you go to a market in a Spanish-speaking country, you might ask for the price of an item. If the vendor says it costs one hundred and fifty pesos, they will say "ciento cincuenta pesos." Here, "ciento" is used because it is followed by "cincuenta."

Plural Form: When acting as a noun to mean 'hundreds', it becomes 'cientos' and is followed by 'de'.

Había cientos de pájaros en el cielo.

If the item cost exactly one hundred pesos, the vendor would say "cien pesos," applying the apocope rule because the number directly precedes the noun "pesos." This distinction is not merely a matter of formal grammar; it is how native speakers naturally talk, and using the wrong form will immediately mark you as a beginner. Additionally, "ciento" can sometimes be used as a masculine noun to mean "a hundred" or "a large number," often in the plural form "cientos," meaning "hundreds." For example, "cientos de personas" means "hundreds of people." In this context, it functions similarly to a collective noun and is followed by the preposition "de."

El número de la casa es el ciento quince.

Necesitamos el cien por ciento de tu esfuerzo.

Understanding these nuances—when it acts as a precise numeral, when it forms part of a percentage, and when it pluralizes to indicate an indefinite large quantity—provides a comprehensive grasp of the word. The journey to fluency requires paying close attention to these structural differences between English and Spanish. By internalizing the rules governing "ciento" and "cien," learners take a significant step toward sounding more natural and precise in their spoken and written Spanish.

Using "ciento" correctly in sentences requires a solid grasp of Spanish sentence structure and numeral rules. The primary function of "ciento" is to act as a building block for numbers ranging from 101 to 199. When constructing these numbers, "ciento" is placed first, immediately followed by the tens or units. For example, to say 101, you say "ciento uno." To say 115, you say "ciento quince." To say 199, you say "ciento noventa y nueve." Notice that there is no conjunction between "ciento" and the following number. This is a common area where English speakers make errors, as they are accustomed to saying "one hundred AND one." In Spanish, adding "y" directly after "ciento" is grammatically incorrect.

Direct Connection: Ciento connects directly to the next number without any conjunctions like 'y' or 'de'.

Mi abuelo vivió hasta los ciento dos años.

Another crucial application of "ciento" is in the realm of percentages. The phrase "por ciento" is invariable and translates to "percent." When you want to express a specific percentage, you place the number before "por ciento." For instance, "cincuenta por ciento" means "fifty percent." If you want to say "one hundred percent," you use "cien por ciento" (or sometimes "ciento por ciento" in certain Latin American regions, though "cien por ciento" is universally understood and preferred in Spain). This phrase is treated as a noun phrase and can be the subject or object of a sentence.

Subject Agreement: When a percentage is the subject, the verb usually agrees with the noun that follows the percentage.

El diez por ciento de los estudiantes faltó hoy.

For example, "El ochenta por ciento de la población votó" (Eighty percent of the population voted). When using "ciento" as a noun meaning "a hundred," it is often pluralized to "cientos" to express an indefinite, large quantity. In this form, it is always followed by the preposition "de" before the noun it modifies. For example, "cientos de personas" (hundreds of people) or "cientos de dólares" (hundreds of dollars). It is important to remember that when forming multiples of one hundred (200, 300, 400, etc.), the word "ciento" merges with the multiplier and agrees in gender with the noun it modifies.

Gender Agreement in Multiples: Multiples like doscientos change to doscientas when modifying a feminine noun.

Compró doscientas sillas, no ciento cincuenta.

For instance, "doscientos hombres" (two hundred men) but "doscientas mujeres" (two hundred women). However, the base word "ciento" (101-199) does not change gender. You say "ciento una mujeres" (one hundred and one women), not "cienta una mujeres." The word "ciento" remains invariant regardless of the gender of the noun that follows the entire numeral phrase. Let's look at more complex sentence structures. When giving an address, you might say, "Vivo en la calle Mayor, número ciento veinticinco" (I live on Mayor Street, number one hundred and twenty-five). In financial contexts, you might hear, "La deuda asciende a ciento cuarenta millones" (The debt amounts to one hundred and forty million).

El límite de velocidad es ciento diez kilómetros por hora.

Pagué ciento treinta euros por la chaqueta.

Notice how "ciento" seamlessly integrates into these sentences, always preceding the smaller numbers. By mastering these sentence patterns, learners can confidently navigate numerical expressions in Spanish, ensuring their communication is both accurate and natural. The key is consistent practice and paying attention to the specific rules of apocope, gender agreement in multiples, and the invariable nature of "ciento" itself.

The word "ciento" is ubiquitous in the Spanish-speaking world, echoing through bustling markets, formal boardrooms, casual conversations, and news broadcasts. Because numbers are fundamental to daily life, you will encounter "ciento" in a vast array of contexts. One of the most common places you will hear "ciento" is in commerce and retail. When shopping for groceries, clothing, or electronics, prices frequently fall into the 101-199 range. A cashier might tell you, "Son ciento veinte pesos, por favor" (That's one hundred and twenty pesos, please). In markets where haggling is common, you might counter an offer by saying, "Te doy ciento diez" (I'll give you one hundred and ten).

Commerce: Prices frequently use 'ciento' when the cost is between 101 and 199 units of currency.

La factura del gas fue de ciento cuarenta euros.

Beyond shopping, "ciento" is essential when discussing measurements and statistics. If you are driving, you will see speed limit signs and hear GPS navigation systems using "ciento." For example, on a highway, the limit might be "ciento veinte kilómetros por hora" (one hundred and twenty kilometers per hour). In weather reports, especially in regions that use Fahrenheit, you might hear that the temperature will reach "ciento cinco grados" (one hundred and five degrees).

Measurements: Speed, weight, and distance often require the use of 'ciento' in daily descriptions.

El paquete pesa ciento cincuenta gramos.

When reading the news or listening to reports, percentages are everywhere. The phrase "por ciento" is used to describe everything from election results to economic inflation. A news anchor might announce, "El desempleo ha bajado un tres por ciento" (Unemployment has dropped by three percent). In business meetings, professionals constantly refer to growth margins, profit shares, and market penetration using "por ciento."

Statistics: Data analysis and news reporting rely heavily on 'por ciento' to convey proportions.

Solo el cinco por ciento de los usuarios leyó el manual.

You will also hear "ciento" in historical contexts and when discussing dates, although years in the 100s are less commonly discussed in daily life than those in the 1900s. However, when talking about the lifespan of historical figures or the duration of ancient empires, "ciento" is necessary. For example, "El imperio duró ciento cincuenta años" (The empire lasted one hundred and fifty years). In everyday social interactions, you might hear the plural form "cientos" used to exaggerate or emphasize a large quantity. A friend might complain, "Te he llamado cientos de veces" (I have called you hundreds of times). This hyperbolic use is very common and adds emotional weight to the statement.

Había cientos de moscas en la cocina.

El hotel tiene ciento ochenta habitaciones disponibles.

Whether you are navigating a new city, managing your finances, or simply chatting with friends, "ciento" is a word that bridges the gap between basic counting and complex communication. Its presence in so many different facets of life makes it an indispensable part of the Spanish vocabulary, and mastering its use will significantly enhance your ability to interact confidently in any Spanish-speaking environment.

Learning to use "ciento" correctly is often a stumbling block for English speakers due to the nuanced differences between English and Spanish numeral systems. The most frequent and glaring mistake is the failure to apply the rule of apocope, which dictates that "ciento" must be shortened to "cien" when it immediately precedes a noun. Many learners, translating directly from English, will say "ciento libros" for "one hundred books" or "ciento dólares" for "one hundred dollars." This is incorrect. The correct forms are "cien libros" and "cien dólares." The word "ciento" is strictly reserved for numbers between 101 and 199, or when used in the phrase "por ciento."

The Apocope Error: Using 'ciento' directly before a noun instead of shortening it to 'cien'.

Incorrect: Tengo ciento amigos. Correct: Tengo cien amigos.

Another widespread error involves the use of the conjunction "y" (and). In English, it is common to say "one hundred and five." Translating this literally into Spanish results in "ciento y cinco," which is grammatically incorrect. In Spanish, "ciento" connects directly to the following number without "y." The correct phrasing is simply "ciento cinco." The conjunction "y" is only used in Spanish numbers to separate tens and units, such as in "treinta y cinco" (thirty-five). Therefore, you would say "ciento treinta y cinco" (one hundred and thirty-five), but never "ciento y treinta y cinco."

The 'And' Mistake: Inserting 'y' immediately after 'ciento' when forming numbers like 105 or 110.

Incorrect: Ciento y diez. Correct: Ciento diez.

A third common mistake relates to the use of "un" before "ciento" or "cien." In English, we say "a hundred" or "one hundred." In Spanish, the word "cien" or "ciento" already implies the "one." Therefore, saying "un ciento" or "un cien" is redundant and incorrect when simply counting. You should say "ciento dos" (one hundred and two), not "un ciento dos." The only time you might see "un ciento" is when it is used as a noun to mean "a hundred of something," such as "un ciento de hojas" (a hundred sheets of paper), but even this is less common than simply saying "cien hojas."

The Redundant 'Un': Adding 'un' before 'ciento' or 'cien' when expressing the number 100.

Incorrect: Cuesta un ciento veinte. Correct: Cuesta ciento veinte.

Finally, learners often confuse the gender agreement rules when dealing with hundreds. While multiples of one hundred (doscientos, trescientos) must agree in gender with the noun they modify (e.g., doscientas mesas), the base word "ciento" does not change. It is incorrect to say "cienta una mesas." The correct form is "ciento una mesas." The "ciento" remains invariant, while the "una" agrees with the feminine noun "mesas."

Había ciento una personas en la sala.

El margen de error es del dos por ciento.

By being aware of these common pitfalls—the apocope rule, the unnecessary "y," the redundant "un," and the invariant gender of "ciento"—learners can significantly improve their accuracy and sound much more like native speakers when dealing with numbers in Spanish.

While "ciento" is the primary word used to construct numbers between 101 and 199 and to express percentages, the Spanish language offers several related terms and alternatives that convey similar concepts of quantity. Understanding these related words helps build a richer vocabulary and allows for more precise expression. The most obvious and closely related word is "cien." As discussed extensively, "cien" is the apocopated form of "ciento" and is used exclusively when the number exactly equals one hundred and immediately precedes a noun, or when it precedes larger multipliers like "mil" or "millones."

Cien vs Ciento: Cien is exactly 100 before a noun; ciento is 100 as part of a larger number (101-199).

Tengo cien euros, pero necesito ciento diez.

Another important related word is "centenar." A "centenar" is a masculine noun that means "a group of one hundred" or "about a hundred." It is similar to how we use "dozen" in English, but for hundreds. You might hear someone say, "Había un centenar de manifestantes" (There were about a hundred protesters). This word is often used to give an estimate rather than an exact count, providing a slightly more literary or formal tone than simply saying "cien personas."

Centenar: A collective noun meaning a group of approximately one hundred.

Vendieron varios centenares de boletos.

When discussing fractions or ordinal numbers, you will encounter "centésimo." This word means "hundredth." For example, "el centésimo aniversario" translates to "the hundredth anniversary." In mathematics, it is used to denote the fraction 1/100. While related to "ciento" through their shared Latin root, "centésimo" serves a completely different grammatical function.

Centésimo: The ordinal number or fraction for one hundredth.

Llegó en el centésimo lugar de la carrera.

For expressing large, indefinite quantities, the plural form "cientos" is often used alongside "miles" (thousands). You might say, "Cientos y miles de personas asistieron al concierto" (Hundreds and thousands of people attended the concert). This combination is a powerful rhetorical device to emphasize overwhelming numbers. Additionally, the prefix "centi-" is used in metric measurements, such as "centímetro" (centimeter) or "centilitro" (centiliter), indicating one-hundredth of the base unit.

Gastó cientos de dólares en ropa nueva.

El descuento es del cincuenta por ciento.

Recognizing these related terms—cien, centenar, centésimo, and the prefix centi-—provides a holistic view of how the concept of "one hundred" permeates the Spanish language. It allows learners to choose the most appropriate and precise word for their specific context, elevating their language skills from basic counting to nuanced expression.

How Formal Is It?

Le savais-tu ?

The Latin root 'centum' is the reason we have words like 'century' (100 years), 'cent' (1/100th of a dollar), and 'centipede' (an insect supposedly with 100 legs) in English.

Guide de prononciation

UK /ˈθjen.to/

US /ˈsjen.to/

CIEN-to

Rime avec

viento siento miento asiento cuento lento atento contento

Erreurs fréquentes

Pronouncing it as three syllables (ci-en-to) instead of two (syen-to). The 'ie' is a diphthong and forms one syllable.
Failing to blend the 's' or 'th' sound smoothly into the 'y' sound of the 'ie'.
Putting the stress on the final syllable (cien-TO) instead of the first.
Saying 'ciento y' instead of just 'ciento' when connecting to the next number.
Using 'ciento' instead of 'cien' before a noun.

Niveau de difficulté

Lecture 2/5

Easy to recognize, but learners must pay attention to whether it's 'cien' or 'ciento' based on the following word.

Écriture 4/5

Requires remembering the apocope rule and not inserting 'y' between ciento and the next number.

Expression orale 5/5

Native speakers say numbers very fast. Producing 'ciento' correctly without translating 'and' from English takes practice.

Écoute 6/5

Numbers blend together in spoken Spanish. 'Ciento veinte' can sound like 'cientoveinte' in one breath.

Quoi apprendre ensuite

Prérequis

uno diez veinte cien números

Apprends ensuite

doscientos mil millón porcentaje mitad

Avancé

centenar centésimo estadística proporción fracción

Grammaire à connaître

Apocope of Ciento

Ciento becomes cien before any noun (cien libros) or before mil/millones (cien mil).

No conjunction 'y' after Ciento

Say 'ciento cinco', never 'ciento y cinco'.

Gender agreement in hundreds

Ciento is invariable (ciento una casas), but multiples agree (doscientas casas).

Pluralization of Ciento

When used as a noun meaning 'hundreds', it becomes 'cientos' and takes 'de' (cientos de aves).

Subject-Verb agreement with percentages

El diez por ciento de los niños 'juegan' (verb agrees with the plural noun 'niños').

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Exemples par niveau

El libro cuesta ciento diez euros.

The book costs one hundred and ten euros.

Use 'ciento' before another number like 'diez'.

Mi abuela tiene ciento un años.

My grandmother is one hundred and one years old.

'Ciento' is followed directly by 'un'.

La habitación es la número ciento veinte.

The room is number one hundred and twenty.

Used to designate room numbers.

Hay ciento quince estudiantes en la escuela.

There are one hundred and fifteen students in the school.

'Ciento' connects to 'quince' without 'y'.

El tren llega a las ciento treinta horas.

The train arrives at 130 hours (military time, rare but possible).

Used in counting hours in some contexts.

Necesito ciento cincuenta gramos de azúcar.

I need one hundred and fifty grams of sugar.

Common in recipes and measurements.

El boleto cuesta ciento cinco dólares.

The ticket costs one hundred and five dollars.

No 'y' between ciento and cinco.

Vivo en la casa ciento doce.

I live in house one hundred and twelve.

Used for street addresses.

El veinte por ciento de la clase está ausente.

Twenty percent of the class is absent.

Introduction of 'por ciento' for percentages.

Tengo cientos de fotos en mi teléfono.

I have hundreds of photos on my phone.

Plural 'cientos' used with 'de' for large quantities.

La chaqueta tiene un cincuenta por ciento de descuento.

The jacket has a fifty percent discount.

Very common in retail contexts.

El límite de velocidad es ciento veinte.

The speed limit is one hundred and twenty.

Used in driving and traffic rules.

Mi teléfono tiene el cien por ciento de batería.

My phone has one hundred percent battery.

'Cien por ciento' means fully charged.

Pagué ciento cuarenta euros por los zapatos.

I paid one hundred and forty euros for the shoes.

Past tense transaction using 'ciento'.

Hay cientos de pájaros en el parque hoy.

There are hundreds of birds in the park today.

Exaggeration or estimation using 'cientos'.

El examen tiene ciento cincuenta preguntas.

The exam has one hundred and fifty questions.

Describing the quantity of items.

Estoy seguro al cien por ciento de que vendrá.

I am one hundred percent sure that he will come.

Idiomatic use of 'cien por ciento' for certainty.

Más del sesenta por ciento de los votantes participaron.

More than sixty percent of the voters participated.

Using percentages in statistics and news.

La empresa aumentó sus ventas en un treinta por ciento.

The company increased its sales by thirty percent.

Business vocabulary combined with percentages.

Cientos de miles de personas protestaron en la capital.

Hundreds of thousands of people protested in the capital.

Combining 'cientos' with 'miles' for massive numbers.

El proyecto está completo al noventa por ciento.

The project is ninety percent complete.

Describing progress or completion rates.

Gastamos ciento ochenta y cinco euros en la cena.

We spent one hundred and eighty-five euros on dinner.

Complex number formation (ciento + ochenta y cinco).

La probabilidad de lluvia es del diez por ciento.

The probability of rain is ten percent.

Used in weather forecasts.

He leído cientos de artículos sobre este tema.

I have read hundreds of articles on this topic.

Using 'cientos' to emphasize extensive research.

La tasa de inflación interanual se situó en el cinco por ciento.

The year-over-year inflation rate stood at five percent.

Formal economic terminology.

El margen de beneficio neto es de apenas un dos por ciento.

The net profit margin is barely two percent.

Advanced business and accounting context.

Aquel evento histórico ocurrió hace ciento cincuenta años.

That historical event occurred one hundred and fifty years ago.

Discussing historical timelines.

Se requiere el cien por cien de asistencia para aprobar.

One hundred percent attendance is required to pass.

Using 'cien por cien' in formal requirements.

Los científicos analizaron cientos de muestras de ADN.

The scientists analyzed hundreds of DNA samples.

Scientific research context.

La deuda pública asciende a ciento cuarenta mil millones.

Public debt amounts to one hundred and forty billion.

Handling extremely large financial figures.

El candidato obtuvo el cuarenta y cinco por ciento de los sufragios.

The candidate obtained forty-five percent of the votes.

Formal political reporting.

Invertir en esa startup es un riesgo al cien por ciento.

Investing in that startup is a one hundred percent risk.

Metaphorical use of percentages in business.

El autor dedica cientos de páginas a describir el paisaje.

The author dedicates hundreds of pages to describing the landscape.

Literary critique and analysis.

La efectividad del tratamiento no está garantizada al cien por cien.

The effectiveness of the treatment is not one hundred percent guaranteed.

Nuanced medical or scientific discussion.

Es imperativo reducir las emisiones en un cincuenta por ciento para 2030.

It is imperative to reduce emissions by fifty percent by 2030.

High-level policy and environmental discourse.

El índice bursátil cayó un tres por ciento en la apertura.

The stock market index fell by three percent at the opening.

Specialized financial journalism.

Se han hallado cientos de vestigios arqueológicos en la zona.

Hundreds of archaeological remains have been found in the area.

Academic and historical reporting.

La propuesta fue rechazada por el noventa por ciento de la asamblea.

The proposal was rejected by ninety percent of the assembly.

Formal institutional language.

El rendimiento del motor se ha optimizado al ciento por ciento.

The engine's performance has been optimized to one hundred percent.

Technical and engineering contexts.

Cientos de mitos rodean la figura de aquel monarca.

Hundreds of myths surround the figure of that monarch.

Abstract and historical narrative.

La fluctuación del mercado de divisas apenas varió un cero coma cinco por ciento.

The foreign exchange market fluctuation barely varied by zero point five percent.

Highly precise financial jargon.

En la obra, el protagonista repite su letanía cientos de veces como un mantra.

In the play, the protagonist repeats his litany hundreds of times like a mantra.

Advanced literary analysis.

El gravamen impositivo se incrementará en un dos por ciento el próximo ejercicio fiscal.

The tax levy will increase by two percent in the next fiscal year.

Legal and bureaucratic terminology.

La correlación entre ambas variables es del noventa y nueve por ciento, rozando la certeza absoluta.

The correlation between both variables is ninety-nine percent, bordering on absolute certainty.

Advanced statistical and academic discourse.

Se congregaron centenares, si no cientos de miles, en una muestra de repulsa sin precedentes.

Hundreds, if not hundreds of thousands, gathered in an unprecedented show of condemnation.

Sophisticated rhetorical amplification.

El manuscrito data del año mil ciento veinticuatro, una joya de la Alta Edad Media.

The manuscript dates from the year one thousand one hundred and twenty-four, a jewel of the Early Middle Ages.

Precise historical dating in academia.

La viabilidad del proyecto depende al cien por cien de la financiación externa.

The project's viability depends one hundred percent on external financing.

High-stakes corporate strategy.

Esa afirmación es, al ciento por ciento, una falacia argumentativa.

That statement is, one hundred percent, an argumentative fallacy.

Advanced philosophical or debate rhetoric.

Synonymes

cien centenar porcentaje centésimo multitud miles abundancia sinfín

Antonymes

cero uno escasez ninguno

Collocations courantes

por ciento

ciento uno

cientos de

cien por ciento

ciento y pico

ciento cincuenta

al ciento por ciento

unos cientos

ciento veinte

cientos y cientos

Phrases Courantes

por ciento

— Percent. Used to express a proportion out of a hundred.

Aprobó el noventa por ciento de la clase.

cien por cien

— One hundred percent, absolutely, completely.

Confío en ti al cien por cien.

cientos de veces

— Hundreds of times, used to exaggerate how often something happened.

Te lo he dicho cientos de veces.

ciento y la madre

— A very large, chaotic crowd of people (informal idiom).

En la fiesta estábamos ciento y la madre.

ciento y pico

— A hundred and something (an exact number between 101 and 199 is unknown).

El billete me costó ciento y pico.

al cien por ciento

— At full capacity or totally.

El motor está funcionando al cien por ciento.

cientos de miles

— Hundreds of thousands, a massive quantity.

Cientos de miles de personas salieron a la calle.

uno por ciento

— One percent, a very small fraction.

Solo hay un uno por ciento de posibilidades.

ciento por uno

— A hundred to one, referring to high odds or a huge return.

La inversión rindió el ciento por uno.

ciento volando

— Part of the proverb 'Más vale pájaro en mano que ciento volando' (A bird in the hand is worth two in the bush).

No arriesgues tu trabajo seguro; más vale pájaro en mano que ciento volando.

Souvent confondu avec

ciento vs cien

Cien is used exactly for 100 before a noun. Ciento is used for 101-199.

ciento vs siento

Siento is the verb 'I feel' or 'I am sorry'. It sounds identical to 'ciento' in Latin America.

ciento vs centenar

Centenar is a collective noun meaning 'a group of a hundred', not a specific number.

Expressions idiomatiques

"Más vale pájaro en mano que ciento volando"

— It is better to hold onto something sure than to risk it for something greater but uncertain. Equivalent to 'A bird in the hand is worth two in the bush'.

Acepté la oferta de trabajo menor porque más vale pájaro en mano que ciento volando.

neutral

"Estar al cien por cien"

— To be at one hundred percent, meaning to be in perfect health or fully focused.

Después de dormir bien, estoy al cien por cien para el partido.

informal

"Dar el cien por cien"

— To give one hundred percent, to make the maximum possible effort.

El entrenador nos pidió dar el cien por cien en el campo.

neutral

"Ciento y la madre"

— An exaggerated way to say there were far too many people in a place.

No pudimos entrar al bar, había ciento y la madre.

informal/slang

"Seguro al cien por cien"

— Absolutely certain without a shadow of a doubt.

Estoy seguro al cien por cien de que dejé las llaves aquí.

neutral

"Sudar la gota gorda por unos cientos"

— To work extremely hard for a small amount of money (hundreds).

Trabaja de sol a sol, sudando la gota gorda por unos cientos de pesos.

informal

"Cien por ciento natural"

— Completely natural, often used in marketing.

Este jugo es cien por ciento natural, sin conservantes.

neutral

"Tener cientos de pájaros en la cabeza"

— To be crazy, distracted, or have unrealistic dreams.

Ese chico tiene cientos de pájaros en la cabeza, nunca se concentra.

informal

"Costar un ojo de la cara y cientos más"

— To be incredibly expensive.

Ese coche me costó un ojo de la cara y cientos más en reparaciones.

informal

"Estar a cien"

— To be very angry, stressed, or excited (running at 100 km/h mentally).

No le hables ahora, está a cien por el problema en el trabajo.

informal

Facile à confondre

ciento vs cien

Both mean 100.

Cien is used immediately before a noun (cien perros) or before mil/millones. Ciento is used when followed by another number (ciento dos) or in percentages (por ciento).

Tengo cien gatos y ciento dos perros.

ciento vs siento

Homophones in Latin American Spanish (seseo).

'Siento' is a verb meaning 'I feel' or 'I am sorry'. 'Ciento' is a number.

Lo siento, pero cuesta ciento diez pesos.

ciento vs cientos

Plural form of ciento.

'Cientos' is used as a noun meaning 'hundreds' and is followed by 'de'. 'Ciento' is a specific number.

Hay cientos de personas en la sala ciento uno.

ciento vs doscientos

A multiple of a hundred.

'Ciento' does not change gender (ciento una chicas). Multiples like 'doscientos' do change gender (doscientas chicas).

Ciento una mesas y doscientas sillas.

ciento vs centenar

Related concept of a hundred.

'Centenar' is a noun meaning 'a set of a hundred'. 'Ciento' is the numeral itself.

Un centenar de manifestantes bloqueó la calle ciento cinco.

Structures de phrases

[Item] cuesta ciento [number].

El zapato cuesta ciento diez.

Hay ciento [number] [nouns].

Hay ciento quince sillas.

El [number] por ciento de...

El diez por ciento de la clase.

Tengo cientos de [noun].

Tengo cientos de libros.

Estar seguro al cien por cien.

Estoy seguro al cien por cien.

Cientos de miles de [noun].

Cientos de miles de euros.

Un incremento del [number] por ciento.

Un incremento del cinco por ciento.

Rendir al ciento por ciento.

El equipo rinde al ciento por ciento.

Famille de mots

Noms

centenar

centenario

centésimo

porcentaje

centavo

céntimo

Verbes

centuplicar

Adjectifs

centenario

centésimo

Apparenté

cien

doscientos

trescientos

cuatrocientos

quinientos

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Comment l'utiliser

frequency

very high

Erreurs courantes

Tengo ciento dólares. → Tengo cien dólares.
Use 'cien' immediately before a noun, not 'ciento'.
Cuesta ciento y cinco euros. → Cuesta ciento cinco euros.
Do not use 'y' immediately after 'ciento'.
Hay cienta una mujeres. → Hay ciento una mujeres.
'Ciento' does not change to match feminine nouns.
El descuento es del veinte por cien. → El descuento es del veinte por ciento.
The correct phrase for percent is 'por ciento', though 'cien por cien' is an exception for 100%.
Cuesta un ciento veinte pesos. → Cuesta ciento veinte pesos.
Do not put 'un' before 'ciento' when counting.

Astuces

No 'Y' After Ciento

Never put 'y' right after ciento. It's 'ciento dos', not 'ciento y dos'.

The Apocope Rule

Cut 'ciento' to 'cien' if a noun comes right after it. Cien casas, not ciento casas.

Percentages

Always use 'ciento' in the phrase 'por ciento' for percentages.

Gender Invariance

Ciento never becomes cienta. It's always ciento, even before feminine nouns like 'ciento una gatas'.

Hundreds Of...

To say 'hundreds of', use 'cientos de'. Example: Cientos de problemas.

Blend the Sounds

Say 'ciento' as two syllables (syen-to), not three (ci-en-to).

Fast Speech

Native speakers blend numbers. 'Ciento ochenta' sounds like 'cientochenta'.

One Word vs Two

Numbers from 101 to 199 are written as separate words: ciento treinta y dos.

Bird in the Hand

Learn the idiom 'Más vale pájaro en mano que ciento volando' to sound like a native.

No 'Un'

Don't say 'un ciento' for 100. Just say 'cien' or 'ciento'.

Mémorise-le

Moyen mnémotechnique

Imagine a CENTipede with exactly ONE HUNDRED legs wearing a TOE ring. Cen-to = Ciento = 100.

Association visuelle

Picture a large $100 bill with the word 'CIENTO' written across it, but a pair of scissors cutting off the 'TO' right before it touches a picture of a book (noun), leaving only 'CIEN'.

Word Web

ciento cien por ciento cientos de ciento uno centenar porcentaje números

Défi

Write down the numbers 101, 115, 150, and 199 in Spanish without looking at the rules. Then write '100 dogs' and '100%'. Check if you used 'ciento' and 'cien' correctly.

Origine du mot

The word 'ciento' comes from the Latin word 'centum', which means one hundred. This Latin root is part of the Indo-European language family.

Sens originel : Exactly one hundred.

Indo-European > Italic > Romance > Ibero-Romance > Spanish

Contexte culturel

There are no specific cultural sensitivities associated with the word 'ciento'. It is a neutral, mathematical term.

English speakers often struggle with dropping the 'and' in numbers like 105. In English, it's 'one hundred AND five', but in Spanish, it's strictly 'ciento cinco'.

Gabriel García Márquez's masterpiece 'Cien años de soledad' (One Hundred Years of Solitude) uses the apocopated form 'cien' because it precedes the noun 'años'. The Spanish proverb 'Más vale pájaro en mano que ciento volando'. The popular song 'Cien gaviotas' by the Spanish band Duncan Dhu.

Pratique dans la vie réelle

Contextes réels

Shopping and Prices

Cuesta ciento...
Son ciento...
Ciento y pico
Descuento del... por ciento

Telling Age

Tiene ciento un años
Vivió hasta los ciento...

Statistics and News

El... por ciento de
Un alto porcentaje
Cien por cien seguro

Addresses and Rooms

Habitación ciento...
Calle..., número ciento...

Exaggerating Quantities

Cientos de veces
Cientos de personas
Cientos de miles

Amorces de conversation

"¿Crees que estás dando el cien por cien en tu trabajo actual?"

"Si tuvieras ciento cincuenta mil dólares, ¿qué comprarías primero?"

"¿Qué porcentaje de tu día pasas en el teléfono? ¿Un veinte por ciento?"

"¿Alguna vez has visto a cientos de personas reunidas por una causa?"

"¿Conoces a alguien que haya vivido más de ciento un años?"

Sujets d'écriture

Escribe sobre un día en el que te sentiste al cien por cien de energía.

Imagina que tienes ciento cincuenta años. ¿Cómo ha cambiado el mundo?

Describe una tienda donde todo cuesta ciento diez pesos. ¿Qué venden?

Escribe sobre un proyecto en el que diste el cien por ciento de tu esfuerzo.

Si el ochenta por ciento de las personas hiciera una cosa buena al día, ¿qué pasaría?

Questions fréquentes

10 questions

You must say 'ciento uno'. In Spanish, the conjunction 'y' (and) is never used immediately after 'ciento'. It is only used to separate tens and units, like in 'treinta y uno'.

The word 'ciento' undergoes apocope (drops the 'to') when it sits directly in front of a noun. In 'ciento cinco libros', the word 'cinco' separates 'ciento' from the noun, so it keeps its full form.

Both are correct and widely used. 'Cien por cien' is very common in Spain, while 'ciento por ciento' or 'cien por ciento' are more common in Latin America. All mean 'one hundred percent'.

No. The base word 'ciento' is invariable. You say 'ciento una mujeres'. However, multiples of a hundred do change, like 'doscientas mujeres'.

You use the plural form 'cientos' followed by the preposition 'de'. The correct phrase is 'cientos de personas'.

Generally, no. Saying 'un ciento' is redundant when counting. You just say 'ciento dos'. 'Un ciento' is only used rarely as a noun meaning 'a batch of one hundred'.

In Spain, the 'c' is pronounced like the 'th' in 'think' (thien-to). In Mexico and most of Latin America, it is pronounced like an 's' (syen-to).

'Pico' is an informal word used to indicate a small, unspecified additional amount. 'Ciento y pico' means 'a hundred and something' or 'a little over a hundred'.

Yes, if the year is in the 100s, like the year 145 (el año ciento cuarenta y cinco). For years in the 1900s, you use 'mil novecientos'.

It can be both. It acts as a numeral adjective in 'ciento dos casas' and as a noun in 'el veinte por ciento' or 'cientos de personas'.

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Teste-toi 200 questions

writing

Write '105' in Spanish words.

Well written! Good try! Check the sample answer below.

Use 'ciento' before 'cinco'.