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 309.5 quarts into gallons we have to multiply 309.5 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

309.5 qt → V_(gal)

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

V_(gal) = 309.5 qt × 0.25 gal

V_(gal) = 77.375 gal

The final result is:

309.5 qt → 77.375 gal

We conclude that 309.5 quarts is equivalent to 77.375 gallons:

309.5 quarts = 77.375 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.012924071082391 × 309.5 quarts.

Another way is saying that 309.5 quarts is equal to 1 ÷ 0.012924071082391 gallons.

Approximate result

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

309.5 qt ≅ 77.375 gal

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