Conversion formula

The conversion factor from milliliters to cups is 0.0042267528198649, which means that 1 milliliter is equal to 0.0042267528198649 cups:

1 ml = 0.0042267528198649 cup

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

1 ml → 0.0042267528198649 cup

21 ml → V_(cup)

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

V_(cup) = 21 ml × 0.0042267528198649 cup

V_(cup) = 0.088761809217164 cup

The final result is:

21 ml → 0.088761809217164 cup

We conclude that 21 milliliters is equivalent to 0.088761809217164 cups:

21 milliliters = 0.088761809217164 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 11.266106547619 × 21 milliliters.

Another way is saying that 21 milliliters is equal to 1 ÷ 11.266106547619 cups.

Approximate result

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

21 ml ≅ 0.089 cup

An alternative is also that one cup is approximately eleven point two six six times twenty-one milliliters.

Conversion table

milliliters to cups chart

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