Gallons to liters
Convert gallons (gal) to liters (l) instantly. 1 gallon = 3.78541 liters.
Quick answer: 1 gallon equals 3.78541 l. To convert gallons to liters, multiply the value by 3.78541.
Good to know
- Cups, tablespoons and teaspoons differ by country. This tool uses US measures.
- 1 US gallon is 3.785 litres. The UK gallon is larger, about 4.546 litres.
Quick reference
| gal | l |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 25 | 94.6353 |
| 50 | 189.271 |
| 100 | 378.541 |
Frequently asked questions
How many liters are in 1 gallon?
There are 3.78541 liters in 1 gallon.
How do I convert gallons to liters?
Multiply the number of gallons by 3.78541.
How do I convert liters back to gallons?
Divide by 3.78541, or multiply by 0.264172.
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