Conversion formula

The conversion factor from quarts to gallons is 0.25, which means that 1 quart is equal to 0.25 gallons:

1 qt = 0.25 gal

To convert 158 quarts into gallons we have to multiply 158 by the conversion factor in order to get the volume amount from quarts to gallons. We can also form a simple proportion to calculate the result:

1 qt → 0.25 gal

158 qt → V_(gal)

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

V_(gal) = 158 qt × 0.25 gal

V_(gal) = 39.5 gal

The final result is:

158 qt → 39.5 gal

We conclude that 158 quarts is equivalent to 39.5 gallons:

158 quarts = 39.5 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.025316455696203 × 158 quarts.

Another way is saying that 158 quarts is equal to 1 ÷ 0.025316455696203 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred fifty-eight quarts is approximately thirty-nine point five gallons:

158 qt ≅ 39.5 gal

An alternative is also that one gallon is approximately zero point zero two five times one hundred fifty-eight quarts.

Conversion table

quarts to gallons chart

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