Convert US gallons to liters
1 US gallon = 3.7854 liters · L = gal × 3.785411784
When you need this conversion
Fuel is the top case — pumps dispense liters in most of the world and gallons in the US, which also makes fuel economy figures incomparable without converting. Car fluid capacities, aquarium volumes, and water intake goals are the other common reasons.
US gallons to liters conversion table
| US gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.27 L |
| 75 gal | 283.91 L |
| 100 gal | 378.54 L |
| 250 gal | 946.35 L |
| 500 gal | 1,892.71 L |
| 1,000 gal | 3,785.41 L |
The formula
L = gal × 3.785411784Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Liters to US gallons →Related volume conversions
- Cubic meters to liters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to liters
- Cubic feet to liters
- Cubic inches to liters
- US gallons to milliliters
Frequently asked questions
- How many liters are in a US gallon?
- There are 3.7854 liters in 1 US gallon. The formula is L = gal × 3.785411784.
- How do you convert US gallons to liters?
- Use the formula L = gal × 3.785411784. For example, 10 US gallons equals 37.8541 liters.
- Is the US gallons to liters conversion exact?
- Yes. US gallons and liters are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is gal short for?
- gal is the standard symbol for US gallon (also written as gallons). L is the symbol for liter.