How to use it
- Type the number of US Gallons in the first field.
- Read the result in Liters. You can also type in the Liters field to convert the other way.
- Use the table of common values, or copy the result with one click.
How it works
Formula: L = US gal × 3.7854118
1 US gal = 3.785412 L, and 1 L = 0.264172 US gal.
Results use the exact definitions of both units. The page shows up to 6 decimal places; copy the value for full precision.
Examples
1 US gal in L
1 US gal = 3.785412 L, using L = US gal × 3.7854118.
5 US gal in L
5 US gal = 18.927059 L, using L = US gal × 3.7854118.
10 US gal in L
10 US gal = 37.854118 L, using L = US gal × 3.7854118.
Frequently asked questions
How do I convert US Gallons to Liters?
Use the formula L = US gal × 3.7854118. For example, 1 US gal = 3.785412 L.
How do I convert Liters back to US Gallons?
Use the reverse formula US gal = L × 0.26417205. For example, 1 L = 0.264172 US gal.
How accurate is this converter?
It uses the exact legal definitions of the units, so the only rounding is in the number of decimals shown. Copy the result to get the full value.
Privacy
The conversion runs entirely in your browser. Nothing you type is sent anywhere.