Conversion formula

The conversion factor from cups to deciliters is 2.365882375, which means that 1 cup is equal to 2.365882375 deciliters:

1 cup = 2.365882375 dL

To convert 21 cups into deciliters we have to multiply 21 by the conversion factor in order to get the volume amount from cups to deciliters. We can also form a simple proportion to calculate the result:

1 cup → 2.365882375 dL

21 cup → V_(dL)

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

V_(dL) = 21 cup × 2.365882375 dL

V_(dL) = 49.683529875 dL

The final result is:

21 cup → 49.683529875 dL

We conclude that 21 cups is equivalent to 49.683529875 deciliters:

21 cups = 49.683529875 deciliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 deciliter is equal to 0.020127394380309 × 21 cups.

Another way is saying that 21 cups is equal to 1 ÷ 0.020127394380309 deciliters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one cups is approximately forty-nine point six eight four deciliters:

21 cup ≅ 49.684 dL

An alternative is also that one deciliter is approximately zero point zero two times twenty-one cups.

Conversion table

cups to deciliters chart

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