Gallons to Liters Converter
Type in either box to convert US gallons to liters or liters to US gallons; the UK (imperial) gallon equivalent is shown too.
The formula
A US gallon is exactly 231 cubic inches, or 3.785411784 liters. Multiply gallons by 3.785 to get liters, or divide liters by 3.785 to get gallons. The UK imperial gallon is larger: exactly 4.54609 liters.
1 gal = 3.7854 L
Gallons to liters conversion table
| US gallons | Liters |
|---|---|
| 0.25 | 0.94635 |
| 0.5 | 1.893 |
| 1 | 3.785 |
| 2 | 7.571 |
| 3 | 11.356 |
| 5 | 18.927 |
| 10 | 37.854 |
| 12 | 45.425 |
| 13 | 49.21 |
| 15 | 56.781 |
| 20 | 75.708 |
| 25 | 94.635 |
| 50 | 189.271 |
| 55 | 208.198 |
| 100 | 378.541 |
Liters to gallons conversion table
| Liters | US gallons | UK gallons |
|---|---|---|
| 1 | 0.26417 | 0.21997 |
| 2 | 0.52834 | 0.43994 |
| 4 | 1.057 | 0.87988 |
| 5 | 1.321 | 1.1 |
| 10 | 2.642 | 2.2 |
| 15 | 3.963 | 3.3 |
| 20 | 5.283 | 4.399 |
| 25 | 6.604 | 5.499 |
| 30 | 7.925 | 6.599 |
| 40 | 10.567 | 8.799 |
| 50 | 13.209 | 10.998 |
| 60 | 15.85 | 13.198 |
| 100 | 26.417 | 21.997 |
| 200 | 52.834 | 43.994 |
| 1,000 | 264.172 | 219.969 |
Good to know
Fuel economy in the US is in miles per US gallon; in the UK it's miles per imperial gallon, so UK mpg figures look about 20% higher for the same car.
A US gallon of water weighs about 8.34 lb (3.785 kg).
Sources
Frequently asked questions
How many liters are in a gallon?
A US gallon is 3.785 L and a UK (imperial) gallon is 4.546 L, about 20% more.
How many gallons is 1 liter?
0.264 US gallons, or 0.220 UK gallons. 20 liters is 5.28 US gallons.
How much is a half gallon of milk in liters?
1.89 liters. A gallon of milk in the US is 3.79 liters.