1 gal = 3.78541 L
One US gallon equals approximately 3.785 liters.
Conversion Formula
L = gal x 3.78541
Quick Converter
Gallons to Liters Reference Table
| Gallons (gal) | Liters (L) |
|---|---|
| 0.1 gal | 0.378541 L |
| 0.5 gal | 1.892705 L |
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 3 gal | 11.35623 L |
| 5 gal | 18.92705 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.78115 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.63525 L |
| 50 gal | 189.2705 L |
| 75 gal | 283.90575 L |
| 100 gal | 378.541 L |
| 150 gal | 567.8115 L |
| 200 gal | 757.082 L |
| 250 gal | 946.3525 L |
| 500 gal | 1892.705 L |
| 750 gal | 2839.0575 L |
| 1000 gal | 3785.41 L |
| 5000 gal | 18927.05 L |
How to Convert Gallons to Liters
To convert gallons to liters, use the formula: L = gal x 3.78541. One US gallon equals approximately 3.785 liters.
Quick Example
10 gal = 37.8541 L
About the Gallons to Liters Conversion
The US gallon is smaller than the UK imperial gallon, which causes confusion at the fuel pump abroad. Most of the world sells fuel and bulk liquids by the liter, so vehicle and tank capacities are frequently converted.
Worked example: A 15-gallon fuel tank holds 15 x 3.78541 = 56.78 liters. A typical 50-gallon water heater stores about 189 liters.
Common Uses
In practice, converting gallons to liters comes up most often for estimating fuel costs and tank sizes abroad, sizing water heaters and aquariums, converting paint and chemical quantities, and comparing US and metric container volumes.