US gallons to Liters Converter
Convert US gallons to liters instantly. 1 gal = 3.7854 L. Free two-way converter with the formula and a quick reference table.
How to convert US gallons to liters
liters = US gallons × 3.7854
One US gallon equals 3.7854 liters, so to convert US gallons to liters you multiply by 3.7854. Going the other way, one liter is 0.264172 US gallons. Both units measure volume, so the conversion is an exact ratio that never changes.
10 US gallons = 37.8541 liters. Multiply your US gallon figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? liters to US gallons
US gallons to liters table
| US gallons (gal) | liters (L) |
|---|---|
| 1 | 3.7854 |
| 2 | 7.5708 |
| 3 | 11.3562 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 20 | 75.7082 |
| 25 | 94.6353 |
| 50 | 189.27 |
| 100 | 378.54 |
| 250 | 946.35 |
| 500 | 1,892.71 |
| 1,000 | 3,785.41 |
Frequently asked questions
How many liters are in a US gallon?
One US gallon equals 3.7854 liters. So to convert, multiply the number of US gallons by 3.7854.
How do I convert US gallons to liters?
Multiply by 3.7854, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.