1 US Gallons to Liters
1 gal = 3.785 L
Liters (L)
3.785
1 gal = 3.785 L
How the conversion works
A US liquid gallon is defined as exactly 3.785411784 liters. (The UK imperial gallon is larger — about 4.546 L.) These pages use the US gallon used in cooking and fuel pricing in the United States.
Formula: liters = US gallons × 3.785411784
Quick reference
| US Gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.785 |
| 2 | 7.571 |
| 5 | 18.927 |
| 10 | 37.854 |
| 15 | 56.781 |
FAQ
- How many liters in 1 US gallon?
- 1 US gallon = 3.785411784 L (about 3.79 L).
- Is a UK gallon different?
- Yes. 1 UK (imperial) gallon = 4.54609 L, larger than the US gallon.
- Why use liters?
- Liters are the standard metric unit of volume used by most of the world for fuel, drinks and recipes.