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"Cuánto" is a form of "cuánto", an adjective which is often translated as "how much". "Por qué" is a form of "por qué", a phrase which is often translated as "why". Learn more about the difference between "cuánto" and "por qué" below.
cuánto(
kwahn
-
toh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. how much (quantity, singular)
¿Cuánto arroz se necesita para la paella?How much rice do you need for a paella?
b. how many (quantity, plural)
¿Cuántos regalos les han dado en Navidad?How many presents did you get for Christmas?
a. what a lot of
¡Cuántos coches tienen en la exposición!What a lot of cars they have at the show!
b. so much (uncountable)
¡Cuánto dinero se han gastado!They have spent so much money!
c. so many (countable)
¡Cuántos caramelos tiene escondidos el abuelo en su casa!Grandpa has so many candies hidden in his house!
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. how much (quantity, singular)
¿Cuánto te han costado las entradas?How much did you pay for the tickets?
b. how many (quantity, plural)
¿Cuántos de ustedes están dispuestos a ir a la huelga?How many of you are ready to go on strike?
c. how long (time)
¿Sabe cuánto durará la charla?Do you know how long the talk will take?
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¡Cuánto te tardaste en llegar!It's taken you ages to get here!
¡Cuántos han venido a la fiesta!So many people have come to the party!
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. how much (quantity)
¿Cuánto quiere que le sirva?How much shall I serve you?
b. how far (distance)
¿Cuánto hay hasta la próxima ciudad?How far is it to the nearest city?
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¡Cuánto quiero que me lleves a ese restaurante de nuevo!I want you to take me back to that restaurant so badly!
¡Cuánto te he echado de menos!I've missed you so much!
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por qué(
pohr
 
keh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. why (adverb)
¿Por qué no te gustan las guayabas?Why don't you like guavas?
a. why (adverb)
Me gustaría saber por qué los gatos ronronean.I would like to know why cats purr.
a. what (pronoun)
¡Por qué cascadas más hermosas pasó la lancha!What beautiful waterfalls the skiff passed through!
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. reason
No tenían por qué sospechar que yo era un espía.They had no reason to suspect I was a spy.
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