Gallons to Liters Converter

Summary

Enter a volume in US or imperial gallons to get the liter equivalent instantly, or convert liters back to gallons.

How it works

1. Select the gallon type — US liquid gallon or imperial gallon.
2. Enter a volume in the Gallons field to get the liter equivalent, or type in the Liters field to convert in reverse.
3. The conversion formula updates in real time below the inputs.
4. Browse the reference table for common volumes like a water bottle, fuel tank, or milk jug.
5. Click any row in the table to load that value into the converter.
6. Click "Clear" to reset both fields.

Use cases

• Convert fuel economy figures when traveling between the US and Europe.
• Understand recipe volumes when following American cooking guides.
• Compare pool or tank capacities listed in different units.
• Convert beverage container sizes for shopping in different countries.
• Convert irrigation or agricultural water volumes between unit systems.
• Quickly check how many liters fit in a US gas tank.

Frequently Asked Questions