US Gallon (US gal)
The US liquid gallon is defined as exactly 231 cubic inches, or 3.785411784 liters.
US gallons price fuel at the pump, size milk jugs, and appear in American cooking and industrial fluid measures.
Convert us gallon to us cup instantly. Type in either field — results update live.
Selected US gal values converted to US cup using the exact factor from this tool.
| US gal | US cup |
|---|---|
| 0.01 | 0.1600000254 |
| 0.1 | 1.6000002536 |
| 1 | 16.0000025361 |
| 2 | 32.0000050721 |
| 3 | 48.0000076082 |
| 5 | 80.0000126803 |
| 10 | 160.0000253605 |
| 20 | 320.000050721 |
| 50 | 800.0001268026 |
| 100 | 1,600.0002536052 |
| 1,000 | 16,000.0025360521 |
Exact conversion factors in both directions, plus a worked example.
1 US gal = 16.0000025361 us cup
1 us cup = 0.0624999901 US gal
To convert us gallon to us cup, multiply by 16.0000025361.
To convert us cup to us gallon, multiply by 0.0624999901.
Example: convert 10 US gal to us cup
10 × 16.0000025361 = 160.0000253605 us cup
Short background on the units used in this conversion.
The US liquid gallon is defined as exactly 231 cubic inches, or 3.785411784 liters.
US gallons price fuel at the pump, size milk jugs, and appear in American cooking and industrial fluid measures.
The US customary cup is 1/16 of a US gallon, or exactly 236.5882365 milliliters.
US cups are the standard dry and liquid measure in American recipes and baking guides.
us cup = US gal × 16.0000025361US gal = us cup × 0.0624999901, using the same exact factors as this converter.Jump to any volume conversion starting from us gallon — including the reverse direction and every other unit in our dataset.