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 644 quarts into gallons we have to multiply 644 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

644 qt → V_(gal)

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

V_(gal) = 644 qt × 0.25 gal

V_(gal) = 161 gal

The final result is:

644 qt → 161 gal

We conclude that 644 quarts is equivalent to 161 gallons:

644 quarts = 161 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0062111801242236 × 644 quarts.

Another way is saying that 644 quarts is equal to 1 ÷ 0.0062111801242236 gallons.

Approximate result

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

644 qt ≅ 161 gal

An alternative is also that one gallon is approximately zero point zero zero six times six hundred forty-four 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