How to convert US gallons to litres
L = gal × 3.785411784
Example: 5 gal × 3.785411784 = 18.92705892 L
US Gallons to Liters table
| US Gallons (gal) | Liters (L) |
|---|---|
| 0.5 gal | 1.8927059 L |
| 1 gal | 3.7854118 L |
| 2 gal | 7.5708236 L |
| 3 gal | 11.356235 L |
| 4 gal | 15.141647 L |
| 5 gal | 18.927059 L |
| 6 gal | 22.712471 L |
| 7 gal | 26.497882 L |
| 8 gal | 30.283294 L |
| 9 gal | 34.068706 L |
| 10 gal | 37.854118 L |
| 15 gal | 56.781177 L |
| 20 gal | 75.708236 L |
| 25 gal | 94.635295 L |
| 30 gal | 113.56235 L |
| 40 gal | 151.41647 L |
| 50 gal | 189.27059 L |
| 75 gal | 283.90588 L |
| 100 gal | 378.54118 L |
| 250 gal | 946.35295 L |
| 500 gal | 1,892.7059 L |
| 1,000 gal | 3,785.4118 L |
About these units
US Gallons (gal): The US gallon is exactly 231 cubic inches, about 3.785 litres. Petrol (gas) in the US is sold by the gallon.
Liters (L): A litre is 1,000 cm³ (one cubic decimetre). Drinks, fuel and liquids are sold in litres in most countries.
Frequently asked questions
How many litres are in 1 US gallon?
1 US gallon (gal) equals 3.785411784 litres.
How do I convert gal to L?
Multiply the value in US gallons by 3.785411784. For example, 5 gal × 3.785411784 = 18.92705892 L.
How do I convert litres back to US gallons?
Multiply by 0.2641720524 (or divide by 3.785411784). 1 L = 0.2641720524 gal.
What is an US gallon?
The US gallon is exactly 231 cubic inches, about 3.785 litres. Petrol (gas) in the US is sold by the gallon.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every volume unit at once? Use the Volume Converter.