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 491.5 quarts into gallons we have to multiply 491.5 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

491.5 qt → V_(gal)

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

V_(gal) = 491.5 qt × 0.25 gal

V_(gal) = 122.875 gal

The final result is:

491.5 qt → 122.875 gal

We conclude that 491.5 quarts is equivalent to 122.875 gallons:

491.5 quarts = 122.875 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0081383519837233 × 491.5 quarts.

Another way is saying that 491.5 quarts is equal to 1 ÷ 0.0081383519837233 gallons.

Approximate result

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

491.5 qt ≅ 122.875 gal

An alternative is also that one gallon is approximately zero point zero zero eight times four hundred ninety-one 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