Unitly

volume conversion

How many liters are in 1 gallon?

Quick answer, a live calculator, and reference values for converting gallons to liters.

Main answer
1 gallon = 3.79 liters
Result
1 gallon = 3.79 liters

Factor: 3.78541

There are 3.79 liters in 1 gallon.

1 gallon equals 3.79 liters. A gallon is a common volume unit for liquids and recipe measurements. A liter is another volume unit you'll often see in kitchens and packaging. To convert any amount, multiply the number of gallons by 3.78541 to get liters. Results below use standard international conversion factors; round as needed for recipes or construction.
Need the other direction?
Convert liters to gallons.

Examples

  • 1 gallon
    3.79 liters
  • 5 gallons
    18.93 liters
  • 10 gallons
    37.85 liters
  • 100 gallons
    378.54 liters

Frequently asked questions

How many liters are in 1 gallon?
There are 3.79 liters in 1 gallon.
How do I convert gallons to liters?
Multiply the gallons value by 3.78541. You can also type any number into the calculator on this page for an instant result.
Is the gallons to liters conversion exact?
This page uses internationally recognized conversion factors. Displayed values may be rounded for readability—keep extra decimals when a recipe, blueprint, or lab measurement needs higher precision.

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