Multiply by 3.785411784
Liters = US gallons × 3.785411784
US customary to metric
US gallons to liters.
Convert US liquid gallons to liters instantly. Enter a volume to see the result, exact formula, and quick reference chart.
US gal to L Exact factor Free to use
Volume calculator
How much does it hold?
1 US gallon is about 3.785412 liters.
The conversion
The US-gallons-to-liters formula.
This converter uses US liquid gallons, not imperial gallons.
Convert 2 US gallons
2 × 3.785411784 = 7.570823568 liters.
A US liquid gallon
1 US liquid gallon = 3.785411784 liters exactly.
Quick reference
US gallons to liters chart.
Common US gallon volumes and their liter equivalents.
| US gallons | Liters |
|---|---|
| 1 | 3.785412 |
| 5 | 18.92706 |
| 10 | 37.85412 |
| 50 | 189.2706 |
| 100 | 378.5412 |
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US gallons to liters, explained
Good to know.
Quick answers about this volume conversion.
How do I convert US gallons to liters?
Multiply US gallons by 3.785411784. For example, 2 US gallons equal 7.570823568 liters.
How many liters are in a US gallon?
One US liquid gallon is exactly 3.785411784 liters.
Is this an imperial gallon?
No. This converter uses US liquid gallons. Imperial gallons are larger and use a different conversion factor.