Convert gallons to cups and cups to gallons instantly. Bidirectional volume converter with formula and common values.
To convert gallons to cups, multiply by 16. One US gallon is defined as 128 fluid ounces, and one cup is 8 fluid ounces, yielding 16 cups per gallon.
| Gallons | Cups |
|---|---|
| 0.25 | 4 |
| 0.5 | 8 |
| 1.5 | 24 |
| 2 | 32 |
| 3 | 48 |
| 5 | 80 |
| 7.5 | 120 |
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One US gallon equals exactly 16 US cups.
Multiply the number of gallons by 16. For example, 1.5 gallons × 16 = 24 cups.
A half gallon contains 8 cups.
A gallon has 4 quarts, each quart has 2 pints, and each pint has 2 cups. So 4 × 2 × 2 = 16 cups per gallon.