Gallons to Liters Converter
Convert gallons to liters with a free calculator
How to Convert Gallons to Liters
Formula: 1 gal = 3.78541 L
Multiply your gallons value by 3.78541 to get the equivalent in liters. The conversion factor 3.78541 is based on the internationally accepted definitions of both units.
Gallons to Liters Reference Table
| Gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.78541 L |
| 5 gal | 18.92705 L |
| 10 gal | 37.8541 L |
| 25 gal | 94.63525 L |
| 50 gal | 189.2705 L |
| 100 gal | 378.541 L |
| 500 gal | 1892.705 L |
| 1000 gal | 3785.41 L |
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Frequently Asked Questions
How many liters are in 1 gallon? +
1 US gallon equals 3.78541 liters.
What is 5 gallons in liters? +
5 US gallons equals about 18.93 liters.
Why are US and UK gallons different sizes? +
The US gallon is based on the old English wine gallon (231 cubic inches). The UK gallon was redefined in 1824 to be 10 pounds of water (277.4 cubic inches).