How to convert cups to gallons
Cups and Gallons both measure volume, so converting is a single multiplication. One cup equals 0.0625 gal, so you multiply your cups value by 0.0625.
Formula: gallons = cups × 0.0625. For example, 10 cup = 0.625 gal.
Cups to Gallons conversion table
| Cups (cup) | Gallons (gal) |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 25 | 1.562499 |
| 50 | 3.124998 |
| 100 | 6.249997 |
| 1,000 | 62.499967 |
Cups and Gallons explained
Cups (cup): A US cooking measure of about 236.6 ml.
Gallons (gal): A US liquid measure of about 3.785 litres (four quarts).
When you'd convert cups to gallons
You'll convert cups to gallons whenever a measurement is given in one unit but you need it in the other — comparing cups and gallons figures across regions, following a recipe or spec, or double-checking a number. Because 1 cup is exactly 0.0625 gal, the result is precise every time.
Frequently asked questions
How many gallons are in a cup?
One cup equals 0.0625 gal. Multiply your cups figure by 0.0625 to get gallons.
What is the formula to convert cups to gallons?
gallons = cups × 0.0625. The factor 0.0625 is exact.
What is 2 cups in gallons?
2 cup = 0.125 gal. You can enter any value in the converter above to get an instant result.
Is this Cups to Gallons converter accurate?
Yes. It uses the standard conversion factor (1 cup = 0.0625 gal) defined by NIST Handbook 44 / US customary liquid measures, so results are exact to several decimal places.