US gallons to Litres — gal to L

Enter a value to convert US gallons (gal) to litres (L). Works in your browser with no sign-up.

[ gal / L — Volume ] instant · works offline
US gallons · gal
3.785412
Litres · L
1 gal = 3.785412 L
US gallons → Litres
⇄ Reverse: Litres → US gallons
Formula

1 gal = 3.785412 L

Multiply the number of US gallons by 3.785412. For example, 10 gal × 3.785412 = 37.85412 L.

Quick Reference — US gallons to Litres
About Volume Units

Litres and millilitres are the global standard. The US gallon (3.785 L) and the UK imperial gallon (4.546 L) are different sizes, and so are US and UK pints (473 mL vs 568 mL), so check which one a recipe or fuel price means. The US cup used here is 236.6 mL; Australia and some other countries use a 250 mL metric cup.

Related Conversions
L → gal pt → L All volume units
All Volume Conversions
→US cups to millilitres →US fluid ounces to millilitres →Litres to US gallons →Litres to UK pints →Millilitres to US fluid ounces →UK pints to litres →Millilitres to US cups
FAQ — US gallons to Litres

How do I convert US gallons to litres?

Multiply the number of US gallons by 3.785412. For example, 10 gal × 3.785412 = 37.85412 L.

How many litres are in one US gallon?

1 US gallon = 3.785412 L (shown to up to 7 significant figures).

Are US and UK measures the same?

No. A US gallon is 3.785 litres and a UK (imperial) gallon is 4.546 litres. A US pint is about 473 mL and a UK pint about 568 mL. This page uses the units named in its title.

Does this converter work offline?

Yes. Once the page has loaded, conversions run entirely in your browser and nothing is sent to a server.