Gallons to Liters
Instantly convert US Gallons (gal) to Liters (L). Enter a value below to get the result, or use our reference table and formula for quick calculations.
Conversion Formula
To convert, use this formula:
L = gal × 3.78541
Reverse Conversion
gal = L × 0.264172
Conversion Table
| US Gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.7854 |
| 2 | 7.5708 |
| 3 | 11.3562 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 15 | 56.7812 |
| 20 | 75.7082 |
| 25 | 94.6353 |
| 50 | 189.2706 |
| 75 | 283.9059 |
| 100 | 378.5412 |
Common Use Cases
⛽ Fuel Purchases — Understanding fuel volume in liters when traveling to metric countries.
🚰 Pool Maintenance — Pool chemicals dosed per liter but pool sizes in gallons.
🧴 Household Products — Converting bulk sizes from gallons to liters for comparison.
🏭 Industrial Processes — Converting between gallon and liter measurements.
Frequently Asked Questions
1 US gallon equals 3.78541 liters.
Multiply by 4 and subtract a little. 5 gal ≈ 18.9 L.
US gallon = 3.78541 L; imperial gallon = 4.54609 L.
The US adopted the wine gallon (231 cu in) in the 18th century.
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