Volume Conversion
US Gallons to Liters Converter
This page uses the U.S. liquid gallon, which is different from the Imperial gallon. One U.S. gallon equals exactly 3.785411784 liters.
Free Converter
Exact mathUS Gallon → Liter
Enter a value—
US Gallons to Liters Converter formula
1 gal = 3.785411784 L. Multiply the gal value by 3.785411784 to get L.
This page uses the U.S. liquid gallon, which is different from the Imperial gallon. One U.S. gallon equals exactly 3.785411784 liters.
US Gallon to Liter conversion table
| US Gallon (gal) | Liter (L) |
|---|---|
| 1 gal | 3.7854 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.2706 L |
| 100 gal | 378.5412 L |
How to use this conversion
- Enter the amount in US Gallon.
- Confirm Liter is selected as the target unit.
- The result updates instantly; use the swap button to reverse the conversion.
Accuracy and rounding
The underlying conversion uses the stored standard reference factor or built-in formula. Display rounding can be adjusted by the site administrator; for engineering or legal work, retain enough significant digits for your use case.
Conversions are mathematical reference conversions. Regional land units can vary by jurisdiction; use only a locally verified factor for region-dependent units such as bigha.