Convert US Gallons to Liters
Convert US gallons to liters instantly. Free, accurate, with a reference table (1 US gal ≈ 3.78541 L).
1 gal = 3.78541 L
Common volume conversions
- 1 L = 0.2641721769 gal
- 1 gal = 3.78541 L
- 1 mL = 0.0338140565 fl oz
- 1 cup = 236.588 mL
Formula
liters = gallons × 3.78541
Built-in to the calculator above — no need to do the math by hand.
US Gallons to Liters table
| gal | L |
|---|---|
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 3 gal | 11.35623 L |
| 5 gal | 18.92705 L |
| 10 gal | 37.8541 L |
| 25 gal | 94.63525 L |
| 50 gal | 189.2705 L |
| 100 gal | 378.541 L |
| 250 gal | 946.3525 L |
| 500 gal | 1892.705 L |
| 1000 gal | 3785.41 L |
About US Gallons to Liters
Converting us gallons to liters is one of the most common volume conversions people search for — used in trade, engineering, cooking, travel, and everyday problem-solving. The math itself is a fixed conversion factor (liters = gallons × 3.78541), but doing it by hand every time is slow and error-prone. This page gives you an instant live converter, a reference table for common values, and the formula broken out so you can trust the result. Everything runs in your browser, and the conversion happens the moment you type — no button to press, no reload, no upload.
How to convert gal to L
- 1Type your value in the US Gallons input above.
- 2The Liters result updates instantly to the right precision.
- 3Compare against the reference table below for common values.
- 4Copy the answer or bookmark the page for next time.