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 558 quarts into gallons we have to multiply 558 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

558 qt → V_(gal)

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

V_(gal) = 558 qt × 0.25 gal

V_(gal) = 139.5 gal

The final result is:

558 qt → 139.5 gal

We conclude that 558 quarts is equivalent to 139.5 gallons:

558 quarts = 139.5 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.007168458781362 × 558 quarts.

Another way is saying that 558 quarts is equal to 1 ÷ 0.007168458781362 gallons.

Approximate result

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

558 qt ≅ 139.5 gal

An alternative is also that one gallon is approximately zero point zero zero seven times five 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