US gallons to US cups

Convert US gallons to US cups. Live result, plus a quick-reference table for common values.

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⇆ Convert US cups to US gallons instead

Frequently asked questions

How do I convert US gallons to US cups?

Multiply the US gallon value by 16. So 1 US gallon = 16 cup, and the calculator above does it instantly for any number.

How many US cups are in a US gallon?

There are 16 US cups in one US gallon. The reference table shows the conversion for common values.

Is this gal to cup converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.