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Gallons to Liters Converter

Convert US liquid gallons to litres, or litres to US gallons. Nothing leaves your browser.

Result

How it works

1 US liquid gallon = 3.785411784 litres exactly. For UK imperial gallons the figure differs. Results are rounded to 4 decimal places.

FAQ

How many liters is 1 US gallon?

Exactly 3.785411784 litres.

How many liters is 5 gallons?

About 18.9271 litres.

How many gallons is 20 liters?

About 5.2834 US gallons.

Is a UK gallon the same?

No. A UK imperial gallon is about 4.546 litres; this tool uses the US gallon.

Is my data uploaded?

No. Everything is calculated in your browser and nothing is sent or stored.

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Free tool, provided as is, with no guarantee. Results are for general information. Please do not enter personal information in feedback.