Gal to L conversion formula
1 US gallon = 3.7854 liter
The US gallon equals 3.785 liters. Note it differs from the imperial gallon (4.546 L) used in the UK.
The liter (L) is the metric standard for beverages, fuel and engine sizes.
Gal to L conversion table
| gal | L |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.927 L |
| 10 gal | 37.8541 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6352 L |
| 50 gal | 189.2705 L |
| 100 gal | 378.541 L |
| 250 gal | 946.3525 L |
| 500 gal | 1892.7 L |
| 1000 gal | 3785.41 L |
How to convert gal to L
- Write down the value in gal you want to convert.
- Multiply it by 3.7854 — or use the converter above, which does it instantly.
- Read your result in L. Done.
Frequently asked questions
How many L is 1 gal?
Using the official conversion factor, 1 US gallon = 3.7854 liter. The converter above handles any value instantly.
What is the formula to convert US gallon to liter?
1 US gallon = 3.7854 liter. Multiply any value in gal by this factor to get L.
Is this gal to L converter free?
Yes — 100% free, unlimited, with no sign-up. CalculUnits is funded by non-intrusive ads, never by paywalls.