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 3990 quarts into gallons we have to multiply 3990 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

3990 qt → V_(gal)

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

V_(gal) = 3990 qt × 0.25 gal

V_(gal) = 997.5 gal

The final result is:

3990 qt → 997.5 gal

We conclude that 3990 quarts is equivalent to 997.5 gallons:

3990 quarts = 997.5 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0010025062656642 × 3990 quarts.

Another way is saying that 3990 quarts is equal to 1 ÷ 0.0010025062656642 gallons.

Approximate result

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

3990 qt ≅ 997.5 gal

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