Instantly convert US gallons (gal) to US cups (cup). Bidirectional, accurate, and free.
To convert US gallons to US cups, use the formula US cups = US gallons × 16. For example, 2 US gallons equals 32 US cups. Type any number into the calculator above and the result appears instantly — you can also type into the US cups box to convert the other way.
| US gallons | US cups |
|---|---|
| 1 gal | 16 cup |
| 2 gal | 32 cup |
| 3 gal | 48 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 20 gal | 320 cup |
| 50 gal | 800 cup |
| 100 gal | 1,600 cup |
There are 16 US cups in one US gallon. To convert any value, apply the formula US cups = US gallons × 16.
The formula is US cups = US gallons × 16. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.