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 138.9 milliliters into cups we have to multiply 138.9 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

138.9 ml → V_(cup)

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

V_(cup) = 138.9 ml × 0.0042267528198649 cup

V_(cup) = 0.58709596667924 cup

The final result is:

138.9 ml → 0.58709596667924 cup

We conclude that 138.9 milliliters is equivalent to 0.58709596667924 cups:

138.9 milliliters = 0.58709596667924 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 1.7032990460763 × 138.9 milliliters.

Another way is saying that 138.9 milliliters is equal to 1 ÷ 1.7032990460763 cups.

Approximate result

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

138.9 ml ≅ 0.587 cup

An alternative is also that one cup is approximately one point seven zero three times one hundred thirty-eight point nine 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