Gallons to Litres
1 US gal = 3.78541 L
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Result
Field guide
About Gallons to Litres
Type a value in US gallons and get the answer in litres straight away. 1 US gal = 3.78541 L, so litres = US gallons × 3.78541. Handy for US fuel economy and tank sizes.
- Type the number of US gallons.
- Read the result in litres. It updates as you type.
- Swap the units or pick another category for other conversions.
| US Gallons (US gal) | Litres (L) |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 12 | 45.4249 |
| 15 | 56.7812 |
| 20 | 75.7082 |
| 50 | 189.271 |
| 55 | 208.198 |
| 100 | 378.541 |
| 500 | 1,892.71 |
| 1,000 | 3,785.41 |
Questions
Frequently asked
How do I convert US gallons to litres?
Use litres = US gallons × 3.78541. For example, 10 US gal = 37.8541 L.
How many litres are in one US gallon?
1 US gal = 3.78541 L.
Is the converter accurate?
Yes. It uses the internationally defined conversion factors, rounded only for display.
Is what I type sent to a server?
No. The tool runs entirely in your browser and there's no server behind it, so what you type never leaves your device and nothing is stored. You can check: it keeps working if you go offline after the page has loaded.
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