Gallons to Liters Converter
Convert US gallons to liters instantly. One US gallon equals exactly 3.785412 liters. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert US gallons to liters
Worked example: convert 7 US gallons to liters. Using liters ← US gallons × 3.785411784, we get 7 × 3.785411784 = 26.497882 L. To check the result, convert back: 26.497882 L ÷ 3.785411784 = 7 gal.
Us gallons to liters chart
| Us gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.785412 L |
| 2 gal | 7.570824 L |
| 3 gal | 11.35624 L |
| 4 gal | 15.14165 L |
| 5 gal | 18.92706 L |
| 6 gal | 22.71247 L |
| 8 gal | 30.28329 L |
| 10 gal | 37.85412 L |
| 12 gal | 45.42494 L |
| 15 gal | 56.78118 L |
| 20 gal | 75.70824 L |
| 25 gal | 94.63529 L |
| 30 gal | 113.5624 L |
| 40 gal | 151.4165 L |
| 50 gal | 189.2706 L |
| 75 gal | 283.9059 L |
| 100 gal | 378.5412 L |
| 150 gal | 567.8118 L |
| 200 gal | 757.0824 L |
| 250 gal | 946.3529 L |
| 500 gal | 1,892.706 L |
| 1,000 gal | 3,785.412 L |
Liters to US gallons (reverse)
| Liters (L) | Us gallons (gal) |
|---|---|
| 1 L | 0.2641721 gal |
| 2 L | 0.5283441 gal |
| 5 L | 1.32086 gal |
| 10 L | 2.641721 gal |
| 20 L | 5.283441 gal |
| 50 L | 13.2086 gal |
| 100 L | 26.41721 gal |
| 250 L | 66.04301 gal |
| 500 L | 132.086 gal |
| 1,000 L | 264.1721 gal |
About the US gallon and the liter
The US liquid gallon divides into 4 quarts, 8 pints or 16 cups. It is the unit on US fuel pumps and for milk jugs; the UK imperial gallon is about 20% larger.
The liter (litre) is 1,000 milliliters, or one cubic decimeter. It is the standard unit for drinks, fuel and fluid capacity almost everywhere outside the US, where gallons are still used at the pump.
One US gallon equals 3.785412 liters, which makes the US gallon the larger unit of the two.
Everyday sizes in US gallons and liters
| Everyday example (approximate) | In US gallons | In liters |
|---|---|---|
| A large water bottle | 0.26417 gal | 1 L |
| A 2-liter soft drink bottle | 0.52834 gal | 2 L |
| A bucket | 2.6417 gal | 10 L |
| A car fuel tank | 13.209 gal | 50 L |
| A bathtub filled for a bath | 39.626 gal | 150 L |
| A hot-water cylinder | 52.834 gal | 200 L |
Us gallons to liters FAQ
How many liters are in one US gallon?
One US gallon equals exactly 3.785411784 liters. In the other direction, one liter equals 0.26417205 US gallons.
How do I convert US gallons to liters without a calculator?
convert 7 US gallons to liters. Using liters ← US gallons × 3.785411784, we get 7 × 3.785411784 = 26.497882 L. To check the result, convert back: 26.497882 L ÷ 3.785411784 = 7 gal. For a quick estimate, round the factor to 3.8. Then 7 gal is about 26.6 L, compared with the exact 26.4979 L (an error of 0.39%). That is close enough for planning, but use the calculator above when the number matters.
What is a large water bottle in liters?
A large water bottle is about 0.26417 US gallons, which is 1 liters. Treat that as an approximate everyday figure rather than an official measurement.
Are the US gallons and liters the same in every country?
The US gallon is exactly 3.785411784 L and the UK imperial gallon is 4.54609 L. The liter is exactly 1 dm³ and is identical in every country.