Litres to US gallons converter
Convert litres to US gallons and back — for fuel, water tanks and imported products.
Litre (L) ⇄ Gallon (US)
Works offline1 Litre (L) = 0.264172 Gallon (US)
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How the conversion works
1 US gallon = 3.785411784 litres, so gallons = litres ÷ 3.7854. A UK (imperial) gallon is bigger: 4.54609 litres.
Quick reference table
| Litre (L) | Gallon (US) |
|---|---|
| 1 Litre (L) | 0.264172 Gallon (US) |
| 5 Litre (L) | 1.32086 Gallon (US) |
| 10 Litre (L) | 2.64172 Gallon (US) |
| 20 Litre (L) | 5.28344 Gallon (US) |
| 40 Litre (L) | 10.5669 Gallon (US) |
| 50 Litre (L) | 13.2086 Gallon (US) |
| 100 Litre (L) | 26.4172 Gallon (US) |
| 1,000 Litre (L) | 264.172 Gallon (US) |
When you need this
Petrol and diesel in India are sold in litres, while American car specifications, appliances and water products use gallons. Knowing which gallon is meant matters: the US and UK gallons differ by about 20%.
Frequently asked questions
How many litres is 1 US gallon?
About 3.785 litres.
Is a UK gallon different?
Yes. A UK (imperial) gallon is 4.546 litres. This page uses the US gallon; the unit converter on the home page includes both.
How many gallons is a 40-litre fuel tank?
About 10.57 US gallons.
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Page reviewed 25 October 2026.