Question 1

When do I use "how much" and when do I use "how many"?

Accepted Answer

Use "how much" with uncountable nouns — things you cannot count individually, like water, money, time, rice, and information: "How much rice do we need?" Use "how many" with countable nouns — things you can count one by one, like books, people, days, and apples: "How many apples did you buy?" The test is simple: if the noun has a plural form (apple → apples), use "how many." If it does not (rice has no plural), use "how much." Remember that "how much" also asks about price: "How much is this?" This double use of "how much" is tested in the Cambridge A2 Key listening paper.

Question 2

Can I use "how much" to ask about price?

Accepted Answer

Yes — "how much" is the standard way to ask about price in English. You can say "How much is this shirt?" or "How much does it cost?" or "How much are these shoes?" In this use, "how much" asks about an amount of money, and money is uncountable, so the grammar rule still applies. You never say "how many" for price. In shops, "How much is it?" is one of the most common questions. You can also ask about total amounts: "How much did you spend on food this week?" This everyday use makes "how much" one of the first phrases beginners learn.

Question 3

Why is "how many water" wrong in English?

Accepted Answer

"Water" is an uncountable noun in English — it has no plural form and you cannot count it directly. Since "how many" needs a countable plural noun (how many cups, how many bottles), it cannot be used with "water." The correct form is "How much water do you want?" If you need to count water, use a container word: "How many glasses of water did you drink?" or "How many bottles of water do we need?" This container trick works for all uncountable nouns: "How many pieces of advice did she give?" instead of "How many advice?" Getting this right is a key skill tested at A2 level.

How Much vs How Many Exercises

Quick Rule

All 20 questions

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