Conversion formula

The conversion factor from gallons to liters is 3.7854118, which means that 1 gallon is equal to 3.7854118 liters:

1 gal = 3.7854118 L

To convert 1 gallon into liters we have to multiply 1 by the conversion factor in order to get the volume amount from gallons to liters. We can also form a simple proportion to calculate the result:

1 gal → 3.7854118 L

1 gal → V_(L)

Solve the above proportion to obtain the volume V in liters:

V_(L) = 1 gal × 3.7854118 L

V_(L) = 3.7854118 L

The final result is:

1 gal → 3.7854118 L

We conclude that 1 gallon is equivalent to 3.7854118 liters:

1 gallon = 3.7854118 liters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 liter is equal to 0.26417205124156 × 1 gallon.

Another way is saying that 1 gallon is equal to 1 ÷ 0.26417205124156 liters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one gallon is approximately three point seven eight five liters:

1 gal ≅ 3.785 L

An alternative is also that one liter is approximately zero point two six four times one gallon.

Conversion table

gallons to liters chart

For quick reference purposes, below is the conversion table you can use to convert from gallons to liters