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 309 quarts into gallons we have to multiply 309 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

309 qt → V_(gal)

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

V_(gal) = 309 qt × 0.25 gal

V_(gal) = 77.25 gal

The final result is:

309 qt → 77.25 gal

We conclude that 309 quarts is equivalent to 77.25 gallons:

309 quarts = 77.25 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.01294498381877 × 309 quarts.

Another way is saying that 309 quarts is equal to 1 ÷ 0.01294498381877 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred nine quarts is approximately seventy-seven point two five gallons:

309 qt ≅ 77.25 gal

An alternative is also that one gallon is approximately zero point zero one three times three hundred nine 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