Convert Gallons to Liters
Switch US gallons into liters for metric fuel economy (L/100 km), aquarium volumes and metric paint or chemical containers.
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1 gal = 3.785 L
Quick reference
| Gallons (US) | Liters |
|---|---|
| 1 | 3.785 L |
| 2 | 7.571 L |
| 5 | 18.927 L |
| 10 | 37.854 L |
| 15 | 56.781 L |
| 55 | 208.198 L |
Formula
liters = US gallons × 3.78541
Frequently asked questions
- How many liters is a typical car tank?
- A US 15-gallon tank holds 56.8 L. Knowing this helps convert miles-per-gallon ratings into liters-per-100-km figures.
- Is this US or imperial gallons?
- US liquid gallons (3.78541 L). For imperial UK gallons, multiply by 4.54609 instead.