What does the Spanish word cuantas mean in English?

"Cuantas" in Spanish means "how many" or "how much" in English. It is the feminine plural form of "cuánto".

Here are some examples:

* ¿Cuántas personas hay en la fiesta? (How many people are at the party?)

* ¿Cuántas manzanas quieres? (How many apples do you want?)

* ¿Cuántas horas trabajas al día? (How many hours do you work a day?)

* ¿Cuánta agua quieres? (How much water do you want?)

It's important to note that "cuantas" is used for feminine nouns, while "cuántos" is used for masculine nouns.