Gallons to Liters Converter

Convert US gallons to liters instantly with this free online converter. Type a value to see the result as you type — 1 US gallon equals 3.78541 liters. Handy for cooking and baking recipes.

3.78541
1 gal = 3.78541 L

menu_bookQuick Reference

  • 1 gallon = 3.785 L
  • 1 quart = 0.946 L
  • 1 pint = 473.2 mL
  • 1 cup = 236.6 mL
  • 1 fl oz = 29.57 mL

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Use the swap button to quickly reverse a conversion. Results update in real time as you type, so there is no need to press a button.

How to Convert Gallons to Liters

To convert US gallons to liters, multiply the value by 3.78541 (or divide by 0.264172). For example, 10 gal × 3.78541 = 37.8541 L.

Gallons to Liters Conversion Table

Gallon (US) (gal)Liter (L)
13.78541
27.57082
311.3562
518.927
1037.8541
1556.7811
2075.7082
55208.198

Frequently Asked Questions

How do you convert gallons to liters?

Multiply the US gallon value by 3.78541. For example, 10 gal × 3.78541 = 37.8541 L. To convert back, multiply the liter value by 0.264172.

How many liters are in 1 US gallon?

There are 3.78541 liters in 1 US gallon. Going the other way, 1 liter equals 0.264172 US gallons.

What is 5 gallons in liters?

5 gal equals 18.927 L. Use the converter above for any other value, or scan the conversion table for common ones.

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