How many US gallons are in a liter?

1 L = 0.264172 gal. To convert any amount, multiply by 0.264172.

How do you convert liters to US gallons?

Multiply the number of liters by 0.264172 to get US gallons. The formula is shown in the "How it's calculated" section above.

Where does the conversion factor come from?

It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.

Unit converter — Volume

Liters to US gallons converter

Convert liters (L) to US gallons (gal). Source-cited conversion factor, exact to the displayed precision.

Results are mathematically exact for the displayed precision. How we calculate.

How it's calculated

Convert liters to US gallons— the formula

Liters convert to US gallons by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.

gal = L × 0.264172

L = gal × 3.7854

Metric volumes per BIPM SI definitions. US customary volumes per NIST Handbook 44: 1 US gal = 3.785411784 L exactly; 1 fl oz = 1/128 US gal.

Questions

Frequently asked questions

How many US gallons are in a liter?
1 L = 0.264172 gal. To convert any amount, multiply by 0.264172.
How do you convert liters to US gallons?
Multiply the number of liters by 0.264172 to get US gallons. The formula is shown in the "How it's calculated" section above.
Where does the conversion factor come from?
It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.