Volume conversion
US Gallon to Liter
1 gal =3.78541178L
3.78541178
1 gal =3.78541178 L
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About US Gallon to Liter
Gallons to liters is the standard conversion for translating US fuel, beverage, and capacity figures into metric units used by most of the world.
Formula
Liters = US Gallons × 3.785411784.
Worked example
15 gal × 3.7854 = 56.78 L. A 15-gallon US fuel tank holds about 57 liters.
US Gallon to Liter table
| US Gallon (gal) | Liter (L) |
|---|---|
| 1 | 3.78541178 |
| 2 | 7.57082357 |
| 5 | 18.92705892 |
| 10 | 37.85411784 |
| 15 | 56.78117676 |
| 20 | 75.70823568 |
| 25 | 94.6352946 |
| 30 | 113.56235352 |
| 50 | 189.2705892 |
| 100 | 378.5411784 |
Common use cases
- 01Translating US fuel economy data
- 02Recipe and beverage volume conversions
- 03Aquarium and pool sizing
- 04Industrial and chemical volume specs
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Frequently asked questions
How many liters in a gallon?+
1 US gallon = 3.7854 liters.
How many liters in 5 gallons?+
5 US gallons = 18.927 liters.
How many liters in 10 gallons?+
10 US gallons = 37.854 liters.
Need the reverse?
Convert Liter to US Gallon →