Volume & capacity

Convert US gallons to liters

Enter a value in US gallons to see the exact equivalent in liters. 1 gal = 3.785412 L.

The conversion

1 gallon (us) equals exactly 3.785411784 litres. The converter keeps full precision and rounds only what it shows.

Formula: Multiply the number of US gallons by 3.785411784 to get liters.

Going the other way, 1 litre = 0.264172052 US gallons.

Quick reference

Gallon (US) Litre
1 gal 3.7854 L
2 gal 7.5708 L
5 gal 18.9271 L
10 gal 37.8541 L
25 gal 94.6353 L
50 gal 189.2706 L
100 gal 378.5412 L

FAQ

How many liters are in 1 gallon (us)?

1 gallon (us) = 3.785412 litres (rounded). The exact factor is 3.785411784.

What is the formula to convert US gallons to liters?

Multiply the number of US gallons by 3.785411784 to get liters.

Is this US gallons-to-liters conversion exact?

1 gallon (us) equals exactly 3.785411784 litres. The converter keeps full precision and rounds only what it shows.