Liters to Gallons Converter
By Santaji GadepatilinUpdated October 27, 2026
Litres are the metric unit of volume, while gallons are used for fuel and liquids in the US and UK. US and imperial gallons differ by about 20%. This free liters to gallons converter converts instantly in both directions and includes a quick reference table.
How to use the liters to gallons converter
Type a value in litres, US gallons or UK gallons — the other two update instantly.
Liters to gallons formula
US gal = L ÷ 3.78541 UK gal = L ÷ 4.54609
Example: filling a 50-litre fuel tank = 13.2 US gallons = 11.0 UK gallons.
Conversion table
| Litres | US gallons |
|---|---|
| 1 L | 0.264172 US gal |
| 4 L | 1.05669 US gal |
| 10 L | 2.64172 US gal |
| 20 L | 5.28344 US gal |
| 40 L | 10.5669 US gal |
| 50 L | 13.2086 US gal |
| 60 L | 15.8503 US gal |
| 100 L | 26.4172 US gal |
| US gallons | Litres |
|---|---|
| 1 US gal | 3.78541 L |
| 5 US gal | 18.9271 L |
| 10 US gal | 37.8541 L |
| 15 US gal | 56.7812 L |
| 20 US gal | 75.7082 L |
| 55 US gal | 208.198 L |
Litres to US gallons chart
| Litres | US gal | Litres | US gal |
|---|---|---|---|
| 1 | 0.264 | 40 | 10.567 |
| 2 | 0.528 | 50 | 13.209 |
| 4 | 1.057 | 60 | 15.85 |
| 5 | 1.321 | 75 | 19.813 |
| 10 | 2.642 | 100 | 26.417 |
| 15 | 3.963 | 150 | 39.626 |
| 20 | 5.283 | 200 | 52.834 |
| 25 | 6.604 | 500 | 132.086 |
| 30 | 7.925 | 1,000 | 264.172 |
Gallons to litres
| Gallons | US gallons → litres | UK gallons → litres |
|---|---|---|
| 1 | 3.79 | 4.55 |
| 2 | 7.57 | 9.09 |
| 5 | 18.93 | 22.73 |
| 10 | 37.85 | 45.46 |
| 15 | 56.78 | 68.19 |
| 20 | 75.71 | 90.92 |
| 50 | 189.27 | 227.30 |
| 100 | 378.54 | 454.61 |
US vs UK gallons
- US gallon = 3.785 L, used in the United States.
- UK (imperial) gallon = 4.546 L, used in the UK for fuel economy and some liquids.
A UK gallon is about 20% larger, which is why the same car has a higher mpg figure in the UK than in the US.
Fuel economy conversions
- km/L to US mpg: multiply by 2.352
- L/100 km to US mpg: 235.2 ÷ (L/100 km)
- US mpg to UK mpg: multiply by 1.201
Example: a car using 6 L/100 km does about 39.2 US mpg or 47.1 UK mpg.
Common container sizes
A standard oil drum holds 55 US gallons (about 208 L). A typical IBC tote holds 1,000 L (about 264 US gallons).
Frequently asked questions
How many gallons is 1 litre?
0.264172 US gallons or 0.219969 UK gallons.
How many litres is 5 gallons?
18.93 L (US) or 22.73 L (UK).
Which gallon does the US use?
The US gallon of 3.785 L. The UK, Canada (historically) and some Caribbean countries use the larger imperial gallon.
How many litres are in a gallon?
3.785 litres in a US gallon, or 4.546 litres in a UK gallon.
How many gallons is 20 litres?
20 litres is 5.28 US gallons or 4.40 UK gallons.