US gallons to Liters Converter (gallon to liter)
Enter a value in US gallons to see it in liters instantly, or type in the liters box to convert the other way. 1 us gallon = 3.7854118 liters, and 1 liter = 0.26417205 US gallons.
This page defaults to the US gallon (3.785 L). Switch the unit list to UK gallon for the imperial gallon (4.546 L) used in Britain and some Commonwealth countries. To find out how much a gallon of water or fuel weighs, use the gallon to kg converter.
1 us gallon = 3.7854118 liters. Formula: L = gal (US) × 3.7854118 (or gal (US) ÷ 0.26417205)
1 us gallon in all volume units
| Milliliters (mL) | 3,785.4118 |
| Liters (L) | 3.7854118 |
| Cubic meters (m³) | 0.0037854118 |
| UK gallons (gal (UK)) | 0.83267418 |
| US quarts (qt) | 4 |
| US pints (pt) | 8 |
| US fluid ounces (fl oz) | 128 |
| UK fluid ounces (fl oz (UK)) | 133.22787 |
| US cups (cup) | 16 |
| Metric cups (cup (metric)) | 15.141647 |
| Tablespoons (tbsp) | 256 |
| Teaspoons (tsp) | 768 |
| Cubic feet (ft³) | 0.13368056 |
| Cubic inches (in³) | 231 |
| Oil barrels (bbl) | 0.023809524 |
How to convert US gallons to liters
L = gal (US) × 3.7854118
Multiply the number of US gallons by 3.7854118. To convert liters back to US gallons, multiply by 0.26417205, or divide by 3.7854118.
Example: 5 US gallons × 3.7854118 = 18.927059 liters.
US gallons to Liters conversion table
| US gallons | Liters |
|---|---|
| 1 gal (US) | 3.7854118 L |
| 2 gal (US) | 7.5708236 L |
| 3 gal (US) | 11.356235 L |
| 4 gal (US) | 15.141647 L |
| 5 gal (US) | 18.927059 L |
| 6 gal (US) | 22.712471 L |
| 7 gal (US) | 26.497882 L |
| 8 gal (US) | 30.283294 L |
| 9 gal (US) | 34.068706 L |
| 10 gal (US) | 37.854118 L |
| 12 gal (US) | 45.424941 L |
| 15 gal (US) | 56.781177 L |
| 20 gal (US) | 75.708236 L |
| 25 gal (US) | 94.635295 L |
| 30 gal (US) | 113.56235 L |
| 40 gal (US) | 151.41647 L |
| 50 gal (US) | 189.27059 L |
| 60 gal (US) | 227.12471 L |
| 70 gal (US) | 264.97882 L |
| 75 gal (US) | 283.90588 L |
| 80 gal (US) | 302.83294 L |
| 90 gal (US) | 340.68706 L |
| 100 gal (US) | 378.54118 L |
| 200 gal (US) | 757.08236 L |
| 250 gal (US) | 946.35295 L |
| 500 gal (US) | 1,892.7059 L |
| 1,000 gal (US) | 3,785.4118 L |
| Liters | US gallons |
|---|---|
| 1 L | 0.26417205 gal (US) |
| 2 L | 0.5283441 gal (US) |
| 3 L | 0.79251616 gal (US) |
| 4 L | 1.0566882 gal (US) |
| 5 L | 1.3208603 gal (US) |
| 6 L | 1.5850323 gal (US) |
| 7 L | 1.8492044 gal (US) |
| 8 L | 2.1133764 gal (US) |
| 9 L | 2.3775485 gal (US) |
| 10 L | 2.6417205 gal (US) |
| 12 L | 3.1700646 gal (US) |
| 15 L | 3.9625808 gal (US) |
| 20 L | 5.283441 gal (US) |
| 25 L | 6.6043013 gal (US) |
| 30 L | 7.9251616 gal (US) |
| 40 L | 10.566882 gal (US) |
| 50 L | 13.208603 gal (US) |
| 60 L | 15.850323 gal (US) |
| 70 L | 18.492044 gal (US) |
| 75 L | 19.812904 gal (US) |
| 80 L | 21.133764 gal (US) |
| 90 L | 23.775485 gal (US) |
| 100 L | 26.417205 gal (US) |
| 200 L | 52.83441 gal (US) |
| 250 L | 66.043013 gal (US) |
| 500 L | 132.08603 gal (US) |
| 1,000 L | 264.17205 gal (US) |
About the us gallon and the liter
The US gallon is 231 cubic inches, exactly 3.785411784 liters. It is used for fuel, milk and paint in the United States.
The liter (litre) is 1,000 cubic centimeters, or one cubic decimeter. Bottled drinks, fuel and engine sizes use liters in most countries.
Frequently asked questions
How many liters are in a us gallon?
There are 3.7854118 liters in 1 us gallon. For any number of US gallons, multiply by 3.7854118.
How many US gallons are in a liter?
1 liter = 0.26417205 US gallons. To convert liters to US gallons, multiply by 0.26417205 or divide by 3.7854118.
What is 5 US gallons in liters?
5 US gallons = 18.927059 liters (5 × 3.7854118).
Is the gallon to liter conversion exact?
Yes. The US gallon is defined as exactly 231 cubic inches, which is 3.785411784 liters, and the imperial gallon is defined as exactly 4.54609 liters. Fluid ounces, cups, pints and quarts derive from those definitions. Results are rounded to eight significant digits for display.
Related calculators
- Volume ConverterLiters, mL, gallons, cups, fluid ounces and more.
- Liters to US gallons Converter1 liter = 0.26417205 US gallons, with a table.
- Milliliters to US fluid ounces Converter1 milliliter = 0.033814023 US fluid ounces, with a table.
- US fluid ounces to Milliliters Converter1 us fluid ounce = 29.57353 milliliters, with a table.
Last updated . Formulas are shown on the page and checked against the worked example.
Conversion factors are exact international definitions where one exists and standard reference values elsewhere. Results are rounded to 8 significant digits.