Relative Pronoun 'Quanto' with Universal Quantifiers (Tudo quanto, Todos quantos)
quanto after universal quantifiers to elegantly express the absolute totality of a group or concept.
Grammar Rule in 30 Seconds
Use 'quanto' after 'tudo', 'todo', or 'tanto' to mean 'everything that' or 'as many as' with perfect gender/number agreement.
- Use 'quanto' only after indefinite quantifiers like 'tudo' or 'todos'. Example: 'Tudo quanto disse é verdade.'
- Match 'quanto' to the gender/number of the antecedent. Example: 'Todas quantas vieram.'
- In modern speech, 'tudo o que' often replaces 'tudo quanto', but 'quanto' remains the literary gold standard.
Overview
que is just too plain? You are reaching for the stars in Portuguese. You want to sound like a poet or a CEO. That is where quanto comes in. It is a relative pronoun with a special job. It follows universal quantifiers like tudo or todos. It means "all that" or "everyone who." It adds a layer of elegance to your speech. Native speakers use it to emphasize totality. Think of it as the ultimate "everything" button. It is a hallmark of high-level C2 proficiency. You will find it in literature and legal contracts. You will also hear it in very formal speeches. Let’s master this subtle, powerful tool together.How This Grammar Works
Quanto does not like to travel alone. It needs a buddy called an antecedent. In this case, that buddy is a universal quantifier. These are words like tudo, todo, toda, todos, or todas. It also works with tanto and its variations. When they pair up, they create a relative clause. This clause defines the whole group being discussed. It acts like a net catching every single item. If you say tudo quanto, you mean every tiny bit. There are no exceptions left behind. It is like a grammar traffic light turning green for everything. Even natives might slip up and just use que. But you are aiming for perfection here.
Formation Pattern
tudo if you are talking about things in general.
todos or todas for specific people or objects.
quanto immediately after.
todo or tanto.
quanto (singular/masculine) after the word tudo.
When To Use It
tudo o que. But tudo quanto sounds much more committed. Use it when writing formal emails to a director. It works beautifully in academic papers or legal arguments. Use it to express deep emotions in a toast. "I wish you all the happiness that exists." Here, toda a felicidade quanta sounds truly heartfelt. It is the language of contracts and grand promises. It helps you avoid repeating the same simple words. Think of it as your linguistic upgrade for serious moments.
When Not To Use It
tudo quanto while ordering pizza might sound weird. People might think you are reading from a 19th-century novel. Avoid it in quick text messages to friends. It is too heavy for "thanks for everything you did." In those cases, tudo o que is your best friend. Do not use it if you are unsure of the agreement. A wrong gender match can break the sophisticated spell. Use it sparingly to maintain its special impact. Like a strong spice, a little goes a long way.
Common Mistakes
quanto must change for gender. They might say todas as pessoas quanto. That is a mistake that sounds quite clunky. It should be todas as pessoas quantas. Another mistake is using it without the quantifier. You cannot just throw quanto in as a replacement for que. It needs its partner to function as a relative pronoun. Some people also confuse it with the interrogative quanto. Remember, here it is not asking a question about price. It is defining a specific, total group of things. Yes, even native speakers mess this up sometimes. Just keep your quantifier and pronoun in sync.Contrast With Similar Patterns
tudo o que? Both translate similarly to "all that" in English. However, tudo o que is the neutral, everyday choice. It is the "denim jeans" of Portuguese relative clauses. Tudo quanto is the "tuxedo" or the "silk dress." It carries more weight and formal flair. There is also tudo o quanto, which adds an extra article. This is slightly less common but still very formal. Then we have tanto quanto, which focuses on equality. "I like coffee as much as tea" uses tanto quanto. But in our rule, it means "as much as exists." The focus here is always on the total quantity. Use que for speed and quanto for style.Quick FAQ
Is tudo quanto the same as tudo o que?
Yes, but tudo quanto is much more formal.
Does quanto always change for gender?
Only if the word before it does, like todas.
Can I use this in a business meeting?
Yes, it will make you sound very professional.
Is it common in Brazil and Portugal?
It is used in both, mostly in writing.
Agreement of 'Quanto' with Antecedents
| Antecedent Type | Antecedent | Relative Pronoun | Example |
|---|---|---|---|
|
Invariable
|
Tudo
|
Quanto
|
Tudo quanto fiz...
|
|
Masculine Singular
|
Todo / Tanto
|
Quanto
|
Tanto quanto sei...
|
|
Feminine Singular
|
Toda / Tanta
|
Quanta
|
Tanta quanta baste...
|
|
Masculine Plural
|
Todos / Tantos
|
Quantos
|
Todos quantos vierem...
|
|
Feminine Plural
|
Todas / Tantas
|
Quantas
|
Todas quantas saíram...
|
Meanings
A relative pronoun used specifically after universal or indefinite quantifiers (tudo, todo, tanto) to refer to a total amount or group.
Universal Totality
Refers to the entirety of an object or concept mentioned previously.
“Ele gastou tudo quanto tinha na poupança.”
Numerical Totality
Refers to every single person or item in a group.
“Convocou todos quantos estavam na lista.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Tudo + quanto + verb
|
Ele fez tudo quanto podia.
|
|
Negative
|
Não + tudo + quanto + verb
|
Não disse tudo quanto sabia.
|
|
Plural Masc
|
Todos + quantos + verb
|
Todos quantos chegarem cedo entram.
|
|
Plural Fem
|
Todas + quantas + verb
|
Todas quantas pediram foram atendidas.
|
|
Comparative
|
Tanto + quanto
|
Trabalhou tanto quanto o irmão.
|
|
Interrogative (Indirect)
|
Quantos + verb
|
Perguntei quantos viriam.
|
|
Relative Clause
|
Quantos (as antecedent)
|
Quantos o viram, admiraram-no.
|
Formality Spectrum
Dei-lhe tudo quanto possuía. (Financial transaction)
Dei tudo o que eu tinha para ele. (Financial transaction)
Dei tudo que eu tinha. (Financial transaction)
Passei tudo pra ele. (Financial transaction)
The 'Quanto' Connection
Antecedents
- Tudo Everything
- Todos Everyone
Agreement
- Gênero Gender
- Número Number
Formal vs. Informal Totality
Examples by Level
Ele come tudo quanto vê.
He eats everything he sees.
Eu dou tudo quanto tenho.
I give everything I have.
Ela comprou tudo quanto era barato.
She bought everything that was cheap.
Eles leram tudo quanto o professor pediu.
They read everything the teacher asked.
Recolhemos todos quantos livros encontramos.
We collected as many books as we found.
Ele ajudou todas quantas precisavam.
He helped all those (women) who needed it.
O governo prometeu apoio a todos quantos foram afetados.
The government promised support to all those who were affected.
Gastei tanto quanto podia no projeto.
I spent as much as I could on the project.
A herança foi distribuída por todos quantos tinham direito legal.
The inheritance was distributed among all those who had a legal right.
Tudo quanto se disse na reunião deve permanecer confidencial.
Everything that was said in the meeting must remain confidential.
A obra reflete tudo quanto de mais sublime a alma humana pode conceber.
The work reflects everything most sublime that the human soul can conceive.
Foram convocadas todas quantas autoridades se faziam necessárias para o pleito.
All such authorities as were necessary for the election were summoned.
Easily Confused
Learners mix up asking a question about quantity and linking a sentence.
Common Mistakes
Tudo que eu tenho.
Tudo quanto eu tenho.
Tudo o quanto.
Tudo quanto.
Todos quanto vieram.
Todos quantos vieram.
As pessoas quanto vi.
As pessoas que vi.
Tudo quanto de bom que aconteceu.
Tudo quanto de bom aconteceu.
Sentence Patterns
Tudo quanto ___ (verb) é ___ (adjective).
Todos quantos ___ (verb) serão ___ (verb).
Real World Usage
Tudo quanto for acordado neste contrato...
Todos quantos analisaram a obra concordam...
Tudo quanto a alma sente...
The 'O' Test
No Articles!
Register Awareness
Smart Tips
Swap 'tudo o que' for 'tudo quanto' to instantly elevate your writing style.
Pronunciation
Nasalization
The 'an' in 'quanto' is a nasal vowel /kwɐ̃.tu/.
Emphasis on Totality
Tudo QUANTO fiz...
Stress the 'quan' to emphasize the scale of the action.
Memorize It
Mnemonic
Tudo and Quanto are best friends; they always go together to the 'Total' party.
Visual Association
Imagine a giant net (the quantifier 'Tudo') scooping up every single fish in the sea (the relative 'Quanto'). The net and the fish are part of the same catch.
Rhyme
If 'Tudo' is the start, 'Quanto' plays the part.
Story
A king (Tudo) wanted to count his subjects. He said, 'I want to see everyone (Todos) as many as (quantos) live in my land.' He made sure to match his words to the people he saw.
Word Web
Challenge
Write three sentences about your last vacation using 'tudo quanto', 'todos quantos', and 'todas quantas'.
Cultural Notes
In Portugal, 'quanto' is frequently used in legal and administrative documents to ensure no one is excluded from a rule.
In Brazil, 'quanto' is seen as very formal. Using it in a bar would sound like you are reading from a 19th-century novel.
From Latin 'quantus', meaning 'how much' or 'as much as'.
Conversation Starters
O que você faria com tudo quanto ganhasse na loteria?
Você concorda com tudo quanto foi dito na última aula?
Todos quantos conheces são de confiança?
Journal Prompts
Common Mistakes
Test Yourself
Ela guardou todas ___ moedas encontrou.
Find and fix the mistake:
Tudo o quanto ele disse era mentira.
___ vierem serão bem-vindos.
Score: /3
Practice Exercises
3 exercisesEla guardou todas ___ moedas encontrou.
Find and fix the mistake:
Tudo o quanto ele disse era mentira.
___ vierem serão bem-vindos.
Score: /3
FAQ (6)
Yes, but it usually acts as an interrogative or a quantifier, not a relative pronoun. As a relative, it needs an indefinite antecedent.
Yes, they mean the same thing, but `tudo quanto` is more formal and literary.
Yes, it becomes `quanta`, `quantos`, or `quantas` to match the noun it refers to.
Yes, but mostly in writing or very formal speeches. In daily conversation, Brazilians prefer `tudo que`.
Because it involves subtle register shifts and strict agreement rules that even native speakers sometimes simplify.
Yes! 'Tanto quanto' is very common for comparisons of equality.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Todo cuanto
Virtually identical usage.
Tout ce que
French requires 'ce' while Portuguese uses 'quanto' directly.
Alles, was
German does not change 'was' for gender/number.
...mono subete
The word order is reversed.
Kullu ma (كل ما)
Arabic 'ma' is invariable.
Learning Path
Prerequisites
Related Grammar Rules
Formal Indirect Pronouns: Using 'lhe' like a Pro
Overview At the C1 level of Portuguese, fluency transitions from simply communicating to communicating with precision,...
Portuguese Subject Pronouns: Eu, Você, and the Magic of 'A Gente'
Overview Portuguese, like many Romance languages, operates on a **pro-drop** principle, meaning subject pronouns are fre...
To Him & To Her: Indirect Pronouns (lhe, lhes)
Overview Portuguese indirect object pronouns, specifically **lhe** (singular) and **lhes** (plural), serve a crucial rol...
Portuguese Possessives: My, Your, His, Her (Meu, Teu, Seu)
Overview Portuguese possessives, both **determiners** (also known as possessive adjectives) and **pronouns**, indicate o...
Portuguese Object Pronouns: me, you, him, her (me, te, o, a)
Overview Portuguese direct object pronouns—`me`, `te`, `o`, `a`, `nos`, `vos`, `os`, `as`—serve a crucial role in gramma...
