Conversion formula

The conversion factor from cups to quarts is 0.25, which means that 1 cup is equal to 0.25 quarts:

1 cup = 0.25 qt

To convert 664 cups into quarts we have to multiply 664 by the conversion factor in order to get the volume amount from cups to quarts. We can also form a simple proportion to calculate the result:

1 cup → 0.25 qt

664 cup → V_(qt)

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

V_(qt) = 664 cup × 0.25 qt

V_(qt) = 166 qt

The final result is:

664 cup → 166 qt

We conclude that 664 cups is equivalent to 166 quarts:

664 cups = 166 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.0060240963855422 × 664 cups.

Another way is saying that 664 cups is equal to 1 ÷ 0.0060240963855422 quarts.

Approximate result

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

664 cup ≅ 166 qt

An alternative is also that one quart is approximately zero point zero zero six times six hundred sixty-four cups.

Conversion table

cups to quarts chart

For quick reference purposes, below is the conversion table you can use to convert from cups to quarts