The Fastest and Most Accurate
Gallon to Liter Calculator
Convert units instantly in your browser, no installation or complicated loading.
Supports both US Gallons and UK Gallons flawlessly.
Quick Reference Chart (US Gallon → Liter)
| Gallon (gal) | Liter (L) |
|---|---|
| 1 gal | 3.785 L |
| 2 gal | 7.571 L |
| 5 gal | 18.927 L |
| 10 gal | 37.854 L |
| 20 gal | 75.708 L |
| 50 gal | 189.271 L |
| 100 gal | 378.541 L |
Gallons vs. Liters: What's the Difference?
US Gallon (US Liquid Gallon)
This is the volume unit primarily used in the United States.
1 US gal ≈ 3.785 Liters. You commonly see it used for fuel and large beverage containers.
UK Gallon (Imperial Gallon)
This unit was historically used in the United Kingdom and other Commonwealth countries.
1 UK gal ≈ 4.546 Liters, making it about 20% larger than the US gallon.
💡 Tip
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