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 400 cups into quarts we have to multiply 400 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

400 cup → V_(qt)

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

V_(qt) = 400 cup × 0.25 qt

V_(qt) = 100 qt

The final result is:

400 cup → 100 qt

We conclude that 400 cups is equivalent to 100 quarts:

400 cups = 100 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.01 × 400 cups.

Another way is saying that 400 cups is equal to 1 ÷ 0.01 quarts.

Approximate result

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

400 cup ≅ 100 qt

An alternative is also that one quart is approximately zero point zero one times four hundred 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