Convert litres to US gallons

Enter a value in litres (L) to get US gallons (US gal). One litre is 0.264172 US gallons; one US gallon is 3.7854 litres.

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How to use the Litre to US gallon

  1. Type the number of litres.
  2. Click Convert.
  3. Read the result in US gallons, plus the same value in every other volume unit.

L to US gal formula

US gallons = litres × 0.264172. To go the other way, litres = US gallons × 3.7854 (see US gallons to litres).

Worked example

12 L × 0.264172 = 3.1701 US gal.

Litres to US gallons conversion table

LitresUS gallons
0.1 L0.026417 US gal
0.5 L0.132086 US gal
1 L0.264172 US gal
2 L0.528344 US gal
3 L0.792516 US gal
5 L1.3209 US gal
10 L2.6417 US gal
20 L5.2834 US gal
25 L6.6043 US gal
50 L13.2086 US gal
100 L26.4172 US gal
250 L66.043 US gal
500 L132.086 US gal
1,000 L264.1721 US gal

About the litre

1,000 ml, or one cubic decimetre. Fuel, bottled drinks and engine sizes.

About the US gallon

Exactly 3.785411784 litres. Fuel in the USA.

Related conversions

US gallons to litres · litres to millilitres · litres to cubic metres · litres to UK gallons · any unit.

Frequently asked questions

How many US gallons in a litre?

0.264172 US gallons.

How many litres in a US gallon?

3.7854 litres.

Is the factor exact?

The factor 0.264172 is derived from the units' exact definitions; only the display is rounded.

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Last updated 2026-09-23.