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US gallons to Liters Converter
Convert US gallons to liters by typing a value: the answer appears as you type. One gal equals 3.78541 L, so to go from US gallons to liters you multiply by 3.78541. A table of common values is included below.
- The same number of liters in US gallons
- 2.6417 gal
US gallons to liters table
| US gallons (gal) | Liters (L) |
|---|
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Formula
How to use it
- Type the number of US gallons.
- Read the result in liters.
- Open the table for common values, or use the reverse converter to go from liters to US gallons.
Worked examples
1 gal in liters
- Liters
- 3.7854 L
15 gal in liters
- Liters
- 56.7812 L
Quick reference
1 gal = 3.7854 L. 2 gal = 7.5708 L. 3 gal = 11.356 L. 4 gal = 15.142 L. 5 gal = 18.927 L. 10 gal = 37.854 L. 15 gal = 56.781 L. 20 gal = 75.708 L.
Good to know
The cup, pint, quart and gallon here are US customary measures. An imperial gallon, used in the UK, is 4.54609 liters — about 20% larger than the US gallon of 3.785 liters — and is listed separately.
Questions people ask
How many liters are in 1 gal?
1 gal is 3.78541 L.
How do I convert US gallons to liters?
Multiply by 3.78541. For example, 5 gal × 3.78541 = 18.927 L.
What is 100 gal in liters?
100 gal is 378.54 L.