imperial gallons to liters Converter
1 imp gal = 4.5461 L. Enter a value. The result updates immediately.
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 imperial gallons to liters
- Enter the value in imperial gallons.
- Select imperial gallons as the source unit.
- Select liters as the target unit.
- Read or copy the result.
imperial gallons to liters chart
| imperial gallons | liters |
|---|---|
| 1 imp gal | 4.5461 L |
| 2 imp gal | 9.0922 L |
| 5 imp gal | 22.7305 L |
| 10 imp gal | 45.4609 L |
| 25 imp gal | 113.65 L |
| 50 imp gal | 227.3 L |
| 100 imp gal | 454.61 L |
Formula
L = imp gal x 4.54609
Example: 1 imp gal = 4.5461 L.
Source
Liter, cubic meter, and U.S. customary liquid measure relationships.
Common questions
How do I convert imperial gallons to liters?
Enter the imperial gallons value in the converter, or multiply by the factor shown in the formula. 1 imp gal = 4.5461 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.