Conversion formula

The conversion factor from gallons to quarts is 4, which means that 1 gallon is equal to 4 quarts:

1 gal = 4 qt

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

1 gal → 4 qt

1 gal → V_(qt)

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

V_(qt) = 1 gal × 4 qt

V_(qt) = 4 qt

The final result is:

1 gal → 4 qt

We conclude that 1 gallon is equivalent to 4 quarts:

1 gallon = 4 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.25 × 1 gallon.

Another way is saying that 1 gallon is equal to 1 ÷ 0.25 quarts.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one gallon is approximately four quarts:

1 gal ≅ 4 qt

An alternative is also that one quart is approximately zero point two five times one gallon.

Conversion table

gallons to quarts chart

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