Convert US Gallons to Liters
1 us gallon = 3.7854118 liters. Multiply the number of us gallons by 3.785411784.
1 gal = 3.785411784 L
Multiply the number of us gallons by 3.785411784.
Results are rounded for display. Double-check values for critical work.
US Gallons to Liters table
| US Gallons | Liters |
|---|---|
| 1 gal | 3.7854118 L |
| 2 gal | 7.5708236 L |
| 3 gal | 11.356235 L |
| 4 gal | 15.141647 L |
| 5 gal | 18.927059 L |
| 10 gal | 37.854118 L |
| 20 gal | 75.708236 L |
| 25 gal | 94.635295 L |
| 50 gal | 189.27059 L |
| 100 gal | 378.54118 L |
| 500 gal | 1,892.7059 L |
| 1000 gal | 3,785.4118 L |
US Gallons to Liters in your head
Multiply by 15, then divide by 4.
That lands within 0.9% of the exact value.
10 gal → 37.5 L in your head, 37.8541 L exactly.
About these units
The us gallon (gal) is a US customary unit of volume & capacity, equal to 0.0037854118 cubic meters.
The liter (L) is a metric unit of volume & capacity, equal to 0.001 cubic meters.
Going the other way, 1 liter = 0.26417205 us gallons. A US gallon and an imperial gallon differ by about 20%, and the same is true right down to teaspoons. This converter keeps the two systems separate and explicit so a recipe or a fuel figure never comes out a fifth wrong.
Frequently asked
- How many liters are in a us gallon?
- 1 us gallon = 3.7854118 liters.
- How do you convert us gallons to liters?
- Multiply the number of us gallons by 3.785411784.
- What is 10 gal in L?
- 10 gal = 37.854118 L.