Gallon to Liter Converter
Convert gallon to liter instantly.
Standard volume units
liter 378.541
milliliter 378541.178
cup 1600
fluid ounce 12800
pint 800
Fun comparisons
espresso shots ☕~ 12618.04
standard water bottles 🍶~ 757.08
bathtubs 🛁~ 2
Olympic swimming pools 🏊~ Less than 0.01
How to convert gallon to liter
Enter your value in gallon and see the equivalent in liter instantly. The converter includes real-world comparisons - like water bottles and bathtubs - to help you picture the volume.
The US gallon is the standard unit for fuel and large liquid volumes in the United States; the liter is the metric equivalent used in most other countries.
Need the opposite direction? Convert liter to gallon just as easily, or explore all our volume conversions.
Common gallon to liter conversions
| Gallon (gal) | Liter (L) |
|---|---|
| 1 | 3.78541 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 25 | 94.6353 |
| 50 | 189.271 |
| 100 | 378.541 |
| 500 | 1892.71 |
| 1000 | 3785.41 |
Frequently asked questions
1 gallon equals 3.78541 liter.
Multiply by 3.78541. For example, 5 gal = 18.9271 L.
A 2-liter bottle equals approximately 0.528 gallons.
1 liter equals 0.264172 gallon.
100 gallon equals 378.541 liter.