Convert us gallons to liters instantly. Type a value below to see the result, or press Swap direction to convert liters back to us gallons. The tool uses the exact conversion factor, and a quick-reference table is below.
Liters
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Conversion formula
Liters = US gallons × 3.785412
One US gallon is 3.785 liters. A UK (imperial) gallon is 4.546 liters, so check which one you need.
Quick reference table
| US Gallons (gal) | Liters (L) |
|---|---|
| 0.5 gal | 1.89271 L |
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 12 gal | 45.4249 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.271 L |
Frequently asked questions
How do I convert us gallons to liters?
Liters = US gallons × 3.785412
How do I convert liters back to us gallons?
Use the reverse formula, or press Swap direction in the converter above. You can also use our reverse converter.
How many liters is a US gallon?
One US gallon is 3.785 liters.
More free tools: Reverse converter · Unit converter · All free tools
Conversions use standard factors. Check critical measurements.