Liters to Gallons Converter
Type a volume in liters to see it in US liquid gallons straight away, and edit either box to convert back. The tool uses the exact definition where one US gallon is 3.785411784 liters, so gallons equal liters divided by that figure. A reference table lists common volumes from 1 to 100 liters.
How to convert liters to gallons
- Type the volume into the Liters (L) box on the left.
- Read US gallons in the Gallons (gal) box on the right, which updates live.
- To reverse the conversion, type into the Gallons (gal) box and the liters box fills in.
- Scan the reference table for common values between 1 and 100 liters.
Examples
One liter
1 L
0.264172 gal
A 10 liter jerry can
10 L
2.641721 gal
A 50 liter fuel tank
50 L
13.208603 gal
Frequently asked questions
What is the formula to convert liters to gallons?
Divide the liters by 3.785411784, which is the same as multiplying by about 0.264172. So gallons equal liters times 0.264172. For example, 10 liters times 0.264172 is about 2.641721 US gallons.
Is this a US gallon or an imperial UK gallon?
This tool uses the US liquid gallon of 3.785411784 liters. The imperial gallon used in the UK is larger at 4.54609 liters, so one liter is only about 0.22 imperial gallons. Confirm which gallon you need before you rely on a figure.
Why does 10 liters show as 2.641721 and not 2.64?
The exact result of 10 divided by 3.785411784 is 2.6417205..., and the display rounds it to six decimals as 2.641721. The full precision value is used in the reverse conversion and the reference table.
Is the conversion factor exact?
Yes. Since 1964 the US liquid gallon has been defined as exactly 3.785411784 liters, which comes from 231 cubic inches. The tool rounds only the displayed number, never the underlying factor.
What about the US dry gallon?
The dry gallon is a separate measure of about 4.404884 liters, used for produce and grain, and this tool does not output it. Here liters convert only to the US liquid gallon that fuel, milk and drinks are sold in.
How many gallons is a typical tank or container?
A 50 liter car tank is about 13.208603 US gallons, a 60 liter tank about 15.850323, and a 200 liter drum about 52.834411. Type any exact size into the box for its own figure.
Does the litre spelling change anything?
No. Litre and liter are the same unit, one spelled the British way and one the American way. Whichever spelling you searched for, the volume and the result are identical.
How do I convert gallons back to liters?
Type your gallons into the right-hand box here and the liters box updates, or use the Gallons to Liters tool. Multiplying US gallons by 3.785411784 gives the liters.
Is my data sent anywhere?
No. The conversion runs entirely in your browser, so the volumes you enter never leave your device.
Learn more
- US gallons, imperial gallons and liters compared
The three gallons in common use, why the US liquid gallon is exactly 3.785411784 liters, and how to pick the right one.
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