Convert litre to US gallon
1 litre = 0.2641721 US gallons. Enter any value below for an exact conversion.
1 L =
0.2641721 gal
US gallons
Need the reverse? Convert US gallon to litre →
Formula
1 litre = 0.2641721 US gallons US gallon = litres × 0.2641721 litre = US gallons × 3.785412
litre to US gallon conversion table
1 L0.2641721 gal
2 L0.5283441 gal
3 L0.7925162 gal
5 L1.32086 gal
10 L2.641721 gal
20 L5.283441 gal
25 L6.604301 gal
50 L13.2086 gal
100 L26.41721 gal
1000 L264.1721 gal
About converting litres to US gallons
Litres to US gallons matters for fuel economy, vehicle tank sizes, and cooking when comparing metric and US measures. One US gallon is about 3.785 litres — note the US gallon is smaller than the UK (imperial) gallon.
Frequently asked questions
How many US gallons are in a litre?
One litre equals 0.2641721 US gallons. So 10 litres is 2.641721 US gallons. Use the converter above for any value.
What is the formula to convert litres to US gallons?
1 litre = 0.2641721 US gallons US gallon = litres × 0.2641721 litre = US gallons × 3.785412
Is the litre-to-US gallon conversion exact?
Yes. The conversion factor between litres and US gallons is defined exactly, so results are precise — only rounded for display.