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 1688 quarts into gallons we have to multiply 1688 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

1688 qt → V_(gal)

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

V_(gal) = 1688 qt × 0.25 gal

V_(gal) = 422 gal

The final result is:

1688 qt → 422 gal

We conclude that 1688 quarts is equivalent to 422 gallons:

1688 quarts = 422 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0023696682464455 × 1688 quarts.

Another way is saying that 1688 quarts is equal to 1 ÷ 0.0023696682464455 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand six hundred eighty-eight quarts is approximately four hundred twenty-two gallons:

1688 qt ≅ 422 gal

An alternative is also that one gallon is approximately zero point zero zero two times one thousand six hundred eighty-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