## 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 3.9 cups into quarts we have to multiply 3.9 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

3.9 cup → V(qt)

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

V(qt) = 3.9 cup × 0.25 qt

V(qt) = 0.975 qt

The final result is:

3.9 cup → 0.975 qt

We conclude that 3.9 cups is equivalent to 0.975 quarts:

3.9 cups = 0.975 quarts

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 1.025641025641 × 3.9 cups.

Another way is saying that 3.9 cups is equal to 1 ÷ 1.025641025641 quarts.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three point nine cups is approximately zero point nine seven five quarts:

3.9 cup ≅ 0.975 qt

An alternative is also that one quart is approximately one point zero two six times three point nine 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

cups (cup) quarts (qt)
4.9 cups 1.225 quarts
5.9 cups 1.475 quarts
6.9 cups 1.725 quarts
7.9 cups 1.975 quarts
8.9 cups 2.225 quarts
9.9 cups 2.475 quarts
10.9 cups 2.725 quarts
11.9 cups 2.975 quarts
12.9 cups 3.225 quarts
13.9 cups 3.475 quarts