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 liter instantly. Type in either field — results update live.
Selected US gal values converted to L using the exact factor from this tool.
| US gal | L |
|---|---|
| 0.01 | 0.037854118 |
| 0.1 | 0.37854118 |
| 1 | 3.7854118 |
| 2 | 7.5708236 |
| 3 | 11.3562354 |
| 5 | 18.927059 |
| 10 | 37.854118 |
| 20 | 75.708236 |
| 50 | 189.27059 |
| 100 | 378.54118 |
| 1,000 | 3,785.4118 |
Exact conversion factors in both directions, plus a worked example.
1 US gal = 3.7854118 L
1 L = 0.2641720512 US gal
To convert us gallon to liter, multiply by 3.7854118.
To convert liter to us gallon, multiply by 0.2641720512.
Example: convert 10 US gal to L
10 × 3.7854118 = 37.854118 L
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.
A liter is one thousandth of a cubic meter — the everyday metric unit for liquid volume, equal to 1,000 milliliters.
Liters label beverage bottles, fuel economy in many countries, and recipe liquids outside the US customary system.
L = US gal × 3.7854118US gal = L × 0.2641720512, 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.