Comparing Equality: 'as ... as' (tan, tanto... como)
tan for descriptions and tanto for quantities to say things are exactly the same in Spanish.
Grammar Rule in 30 Seconds
Use 'tan... como' for adjectives/adverbs and 'tanto/a/os/as... como' for nouns to express equality.
- Use 'tan + adjective/adverb + como' for qualities: 'Él es tan alto como yo.'
- Use 'tanto(s)/tanta(s) + noun + como' for quantities: 'Tengo tanto dinero como tú.'
- Use 'verb + tanto como' for actions: 'Ellos estudian tanto como nosotros.'
Overview
Ever tried to explain why your favorite brunch spot is just as expensive as the one across the street? Or why that new viral TikTok filter is just as annoying as the last one? Life is full of comparisons.
Sometimes things aren't better or worse; they are exactly the same. In Spanish, we call this the "Equality Comparison." You aren't saying one thing wins. You are saying they are tied.
Whether you are comparing el precio of a flight or la calidad of a Netflix series, you need these structures. They help you express balance. Using tan and tanto correctly makes your Spanish sound smooth.
It moves you past basic "better/worse" talk. It allows for nuance in your daily chats. Plus, it’s a great way to avoid picking sides in an argument.
If both options are "just as good," nobody gets their feelings hurt. Just don't use it to compare your current partner to your ex. That’s a trap even perfect grammar won't fix.
How This Grammar Works
tan as the "short" version for adjectives. Think of tanto as the "long" version for stuff you can count. It’s like the difference between being "so" pretty and having "so much" money.dormir. Each scenario has its own little logic.Formation Pattern
tan + [Adjective/Adverb] + como.
Este móvil es tan caro como el mío. (This phone is as expensive as mine.)
tanto + [Noun] + como.
Tengo tanto sueño como tú. (I am as tired/have as much sleepiness as you.)
tanta + [Noun] + como.
Ella tiene tanta paciencia como una santa. (She has as much patience as a saint.)
tantos + [Noun] + como.
Hay tantos bots como personas en Twitter. (There are as many bots as people on Twitter.)
tantas + [Noun] + como.
He visto tantas series como tú. (I've watched as many series as you.)
tanto como.
Él gasta tanto como gana. (He spends as much as he earns.)
Conjugation Table
| Comparison Type | Structure | Example | Translation |
|---|---|---|---|
| --- | --- | --- | --- |
| Adjective | tan + adj + como | Tan rápido como |
As fast as |
| Adverb | tan + adv + como | Tan tarde como |
As late as |
| Noun (m/s) | tanto + noun + como | Tanto dinero como |
As much money as |
| Noun (f/s) | tanta + noun + como | Tanta suerte como |
As much luck as |
| Noun (m/p) | tantos + noun + como | Tantos likes como |
As many likes as |
| Noun (f/p) | tantas + noun + como | Tantas apps como |
As many apps as |
| Verb | verb + tanto como | Corre tanto como |
He runs as much as |
When To Use It
Politeness Levels
- **Casual
** Tu perro es tan tonto como el mío. (Your dog is as silly as mine.) Use with friends.
- **Neutral
** Este ordenador es tan rápido como aquel. (This computer is as fast as that one.) Good for shopping.
- **Formal
** Su empresa es tan exitosa como la nuestra. (Your company is as successful as ours.) Use in business meetings with usted.
Common Mistakes
que instead of como. In English, we say "as... as," so people want to say tan... que. Don't do it! Tan... que means "so... that." For example, "I am so tired that I can't think." That’s a different rule. For equality, always stick with como. Another trap is forgetting agreement. Tanto is like a chameleon. It must match el género and el número of the noun. If you are talking about personas, you need tantas. If you are talking about dinero, you need tanto. Many learners use tanto for everything. It makes you sound a bit like a robot. Also, don't confuse tan with muy. Muy is for intensity (very), while tan is for comparison (as). If you say Eres muy alto, you're just tall. If you say Eres tan alto como yo, we are twins. Finally, avoid using tanto with adjectives. It’s always tan + adjective. Using tanto guapo is a classic "gringo" mistake. It’s like saying "as much handsome." Stay sharp, and don't let these little errors ruin your vibe.Memory Trick
Think of TAN as Tiny. It's the shorter word used for adjectives and adverbs (which describe things). Think of TANTO as Total. It's the longer word used for nouns (the total amount of stuff you have).
Contrast With Similar Patterns
igual de... que. This is a very common alternative in Spain.Ella es igual de lista que tú means exactly the same as Ella es tan lista como tú. The main difference is that igual de uses que, while tan uses como. It’s like choosing between Spotify and Apple Music.lo mismo que. This is for comparing actions or objects directly.Hago lo mismo que tú (I do the same as you). Notice there’s no adjective in the middle there. Another one is tal para cual. and igual de... que is mostly about regional preference. In Latin America, tan...tan... que), people will understand you perfectly.Real Conversations
Friend A
¿Viste el nuevo episodio? Es tan aburrido como el primero.Friend B
¡Sí! No tiene tanta acción como prometían en el tráiler.Buyer
¿Esta tablet tiene tanta memoria como la de Apple?Seller
Sí, y la batería dura tanto como la del modelo Pro.Quick FAQ
Can I use tanto with an adjective?
No! Always use tan. Tanto is only for nouns or after verbs.
Does como ever have an accent here?
No. In comparisons of equality, como never has an accent. Save the accent for questions.
Is it tantas personas como or tanta personas como?
It’s tantas. It must match the plural feminine noun personas.
Can I just say Tanto como tú?
Yes! If someone asks "How much do you love me?", you can say Tanto como tú. (But maybe add a hug).
Progressive Practice
Start by comparing your height to a friend's using tan... como.
Look at your desk and compare the number of pens to the number of notebooks using tanto/a/os/as.
Think about how much you work vs. how much you relax and use the verb form: trabajo tanto como descanso.
Write a fake Instagram caption comparing two cities you've visited.
Equality Comparison Structures
| Category | Formula | Example |
|---|---|---|
|
Adjective
|
tan + adj + como
|
tan alto como
|
|
Adverb
|
tan + adv + como
|
tan rápido como
|
|
Noun (m.s.)
|
tanto + noun + como
|
tanto dinero como
|
|
Noun (f.s.)
|
tanta + noun + como
|
tanta agua como
|
|
Noun (m.pl.)
|
tantos + noun + como
|
tantos libros como
|
|
Noun (f.pl.)
|
tantas + noun + como
|
tantas sillas como
|
|
Verb
|
verb + tanto como
|
estudia tanto como
|
Meanings
These structures are used to compare two entities or actions that share the same degree of a quality or quantity.
Adjective/Adverb Equality
Comparing qualities or manners of being.
“Ella es tan inteligente como su hermano.”
“Corres tan rápido como un atleta.”
Noun Quantity Equality
Comparing the amount of something.
“Tengo tanta paciencia como tú.”
“Compraron tantos libros como pudieron.”
Verb Equality
Comparing the frequency or intensity of an action.
“Ellos trabajan tanto como nosotros.”
“Él come tanto como un oso.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
tan + adj + como
|
Es tan grande como el mío.
|
|
Negative
|
no + tan + adj + como
|
No es tan grande como el mío.
|
|
Noun Quantity
|
tanto/a(s) + noun + como
|
Tengo tanta hambre como tú.
|
|
Verb Comparison
|
verb + tanto como
|
Ellos corren tanto como nosotros.
|
|
Question
|
¿Es tan + adj + como...?
|
¿Es tan caro como el otro?
|
|
Short Answer
|
tan + adj + como
|
Sí, es tan caro como el otro.
|
Formality Spectrum
Él es tan inteligente como usted. (Comparing intelligence)
Él es tan inteligente como tú. (Comparing intelligence)
Es tan listo como tú. (Comparing intelligence)
Es tan crack como tú. (Comparing intelligence)
The Equality Tree
Qualities
- tan as
Quantities
- tanto/a/os/as as much/many
Actions
- tanto como as much as
Examples by Level
Él es tan alto como yo.
He is as tall as me.
Ella es tan simpática como tú.
She is as nice as you.
Tengo tanto dinero como él.
I have as much money as him.
Comemos tanto como ellos.
We eat as much as them.
Hay tantas sillas como mesas.
There are as many chairs as tables.
Corres tan rápido como un coche.
You run as fast as a car.
Tengo tantas ideas como tú.
I have as many ideas as you.
Estudian tanto como trabajan.
They study as much as they work.
No tengo tanta paciencia como mi madre.
I don't have as much patience as my mother.
El problema es tan grave como parece.
The problem is as serious as it seems.
Viajan tantos kilómetros como nosotros.
They travel as many kilometers as we do.
Ella habla tan bien como un nativo.
She speaks as well as a native.
La situación es tan compleja como la anterior.
The situation is as complex as the previous one.
Disponemos de tantos recursos como ellos.
We have as many resources as they do.
No es tan fácil como parece a primera vista.
It is not as easy as it seems at first glance.
Él se esfuerza tanto como cualquier otro.
He tries as hard as anyone else.
Resulta tan evidente como necesario.
It turns out to be as evident as it is necessary.
Poseen tantas facultades como los expertos.
They possess as many faculties as the experts.
El impacto es tan profundo como inesperado.
The impact is as profound as it is unexpected.
Se valora tanto la forma como el fondo.
Both form and content are valued equally.
Es tan loable como cuestionable su actitud.
His attitude is as laudable as it is questionable.
Tienen tantas implicaciones como consecuencias.
They have as many implications as consequences.
El debate es tan antiguo como la humanidad.
The debate is as old as humanity.
Se requiere tanta pericia como paciencia.
As much skill as patience is required.
Easily Confused
Learners mix them up because English uses 'as' for both.
Learners use 'que' for equality.
Learners forget to make 'tanto' agree with the noun.
Common Mistakes
Tengo tan libros como tú.
Tengo tantos libros como tú.
Es tanto alto como yo.
Es tan alto como yo.
Es tan alto que yo.
Es tan alto como yo.
Tengo tanta libros.
Tengo tantos libros.
Ella corre tanto rápido como yo.
Ella corre tan rápido como yo.
Hay tantas gente como ayer.
Hay tanta gente como ayer.
Comen tanto como nosotros comemos.
Comen tanto como nosotros.
Es tan amable como para que me gusta.
Es tan amable como para que me guste.
Tengo tantos paciencia como él.
Tengo tanta paciencia como él.
Es tan bueno como el de ayer.
Es tan bueno como el de ayer.
Es tan complejo cual el anterior.
Es tan complejo como el anterior.
Tanto como él lo hace, yo también.
Tanto como él, yo también.
Es tan alto cual un árbol.
Es tan alto como un árbol.
Sentence Patterns
Él es ___ ___ como yo.
Tengo ___ ___ como tú.
Ellos ___ ___ como nosotros.
La situación es ___ ___ como la anterior.
Real World Usage
¡Viajas tanto como un influencer!
Tengo tanta experiencia como los otros candidatos.
Este plato es tan bueno como el del restaurante italiano.
Eres tan gracioso como siempre.
Este hotel es tan caro como el anterior.
El fenómeno es tan relevante como complejo.
Check the noun
Don't use 'que'
Verb focus
Regional slang
Smart Tips
Always check the noun's gender and number before writing 'tanto'.
Remember 'tan' is always invariable.
Don't try to make 'tanto' agree with the subject.
Ensure you don't swap 'como' for 'que'.
Pronunciation
Stress
Tanto is stressed on the first syllable.
Declarative
Es tan alto como yo ↘
Neutral statement of fact.
Memorize It
Mnemonic
Tan is for the 'how' (qualities), Tanto is for the 'how much' (quantities).
Visual Association
Imagine a scale. On one side, a thin 'tan' person (adjective). On the other, a heavy 'tanto' bag of coins (noun).
Rhyme
Tan para el adjetivo, tanto para el sustantivo.
Story
Maria is as tall as Juan (tan). She has as much money as Juan (tanto). They both eat as much as Juan (tanto).
Word Web
Challenge
Write 5 sentences comparing your friends using 'tan' and 'tanto' in 5 minutes.
Cultural Notes
In Spain, 'currar' is common for 'work', and 'pasta' for 'money'.
In Mexico, 'lana' is often used for money instead of 'pasta'.
In Argentina, 'guita' is very common for money.
These structures derive from Latin 'tantus' (so much) and 'tam' (so).
Conversation Starters
¿Eres tan deportista como tus amigos?
¿Tienes tanto tiempo libre como te gustaría?
¿Crees que estudiar es tan importante como trabajar?
¿Consideras que la tecnología es tan beneficiosa como perjudicial?
Journal Prompts
Common Mistakes
Test Yourself
Ella es ___ alta como yo.
Tengo ___ amigos como tú.
Find and fix the mistake:
Comes tan comida como yo.
Él es más alto que yo. (Equality)
Tengo tanta paciencia como él.
A: ¿Es caro? B: No, es ___ caro como el otro.
como / yo / tanto / estudio / tú
Match each item on the left with its pair on the right:
Score: /8
Practice Exercises
8 exercisesElla es ___ alta como yo.
Tengo ___ amigos como tú.
Find and fix the mistake:
Comes tan comida como yo.
Él es más alto que yo. (Equality)
Tengo tanta paciencia como él.
A: ¿Es caro? B: No, es ___ caro como el otro.
como / yo / tanto / estudio / tú
Tanta...
Score: /8
Practice Bank
10 exercisesEste coche es ___ caro como el de Juan.
There are as many boys as girls.
tan / como / es / María / inteligente / Lucía
No tenemos ___ problemas como ellos.
Match the phrases:
Tengo tan libros como la biblioteca.
Ella habla ___ rápido como un locutor.
I don't sleep as much as I should.
Comparing sugar (azúcar - m.):
tanta / no / tengo / como / antes / energía
Score: /10
FAQ (8)
Use 'tan' for adjectives/adverbs and 'tanto' for nouns/verbs.
Yes, it changes to match the gender and number of the noun it modifies.
No, that is a common mistake. Always use 'tanto'.
Yes, 'como' is the standard connector for equality.
Use 'verb + tanto como'.
The grammar is standard, but the nouns used in comparisons vary by region.
Yes, it is perfectly acceptable in formal and academic contexts.
Both translate to 'as', which is why it's confusing for English speakers.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
as... as
Spanish distinguishes between qualities and quantities.
aussi... que
French requires 'de' after 'autant'.
so... wie
German word order is more flexible.
〜と同じくらい (to onaji kurai)
Japanese structure is entirely different.
مثل (mithl)
Arabic does not use a two-part structure.
和...一样 (hé... yīyàng)
Chinese does not use 'as' equivalents.
Learning Path
Prerequisites
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