Volume
gallons to liters Converter
1 gal = 3.7854 L. Enter any value and the result updates instantly.
Convert
Accuracy and rounding
Use U.S. liquid measures for cups, teaspoons, tablespoons, pints, quarts, and gallons unless a recipe says metric or imperial.
Metric volume units are fixed, and cups, teaspoons, tablespoons, pints, quarts, and gallons use U.S. liquid measures unless imperial is named.
For recipes, round to the nearest useful spoon, cup, or milliliter. For containers and dosing, keep more precision in liters.
How to convert gallons to liters
- Type the gallons value in the calculator.
- Keep gallons selected as the from unit and liters selected as the to unit.
- Use the instant result, or copy it with the copy button.
gallons to liters chart
| gallons | liters |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.27 L |
| 100 gal | 378.54 L |
Formula
L = gal x 3.785411784
Example: 1 gal = 3.7854 L.
Source
Liter, cubic meter, and U.S. customary liquid measure relationships.
Common questions
How do I convert gallons to liters?
Enter the gallons value in the converter, or multiply by the factor shown in the formula. 1 gal = 3.7854 L.
What should I watch out for?
U.S. liquid units are used for cups, teaspoons, tablespoons, pints, quarts, and gallons unless the page says imperial.
Where does this volume conversion come from?
Liter, cubic meter, and U.S. customary liquid measure relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.