Litres to US gallons (L to gal)
1 L = 0.2641721 gal. Multiply litres by 0.2641721; the box below does it both ways.
US gallons
5 L = 1.3209 gal · US gallons to litres page
How to convert litres to US gallons
- Take the value in litres.
- Multiply by 0.2641721 (because 1 L = 0.2641721 gal).
- Example: 5 L × 0.2641721 = 1.3209 gal.
- Going back: divide by 0.2641721, or multiply by 3.785412.
Where this comes up
US gallons (3.785 L). Divide litres by 3.785. Fuel-tank sizes and mileage comparisons with US figures: a 45 L tank is 11.9 US gal. The UK (imperial) gallon is 4.546 L, so UK mpg figures are not comparable to US ones.
| L | gal |
|---|---|
| 1 | 0.26417 |
| 2 | 0.52834 |
| 3.785 | 0.99989 |
| 5 | 1.3209 |
| 10 | 2.6417 |
| 15 | 3.9626 |
| 20 | 5.2834 |
| 25 | 6.6043 |
| 30 | 7.9252 |
| 40 | 10.5669 |
| 45 | 11.8877 |
| 50 | 13.2086 |
| 60 | 15.8503 |
| 100 | 26.4172 |
Questions people ask
How many US gallons are in 1 litre?
1 L = 0.2641721 gal. To convert, multiply the litre value by 0.2641721.
What is 25 L in gal?
25 L is 6.6043 gal.
How do I convert US gallons back to litres?
Divide by 0.2641721, or multiply by 3.785412: 1 gal = 3.785412 L.
More volume conversions
US gallons to Litres (gal to L) · ml to fl oz · fl oz to ml · tsp to ml · ml to tsp · tbsp to ml · all converters
Factors are the exact international definitions; last checked 2026-10-10.