138 milliliters in US customary cups

Result

The conversion result is: 138 milliliters is equivalent to 0.583291891606792 US customary cups.^[1]

Conversion formula
How to convert 138 milliliters to US customary cups?

We know (by definition) that: 1 ml ≈ 0.00422675283773037 uscup.

We can set up a proportion to solve for the number of US customary cups.

1 ml / 138 ml ≈ 0.00422675283773037 uscup / x uscup

Now, we cross multiply to solve for our unknown x:

x uscup ≈ (138 ml / 1 ml) * 0.00422675283773037 uscup → x uscup ≈ 0.5832918916067911 uscup

Conclusion:

138 ml ≈ 0.5832918916067911 uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 1.71440751086957 times 138 milliliters.

It can also be expressed as: 138 milliliters is equal to 1 / 1.71440751086957 US customary cups.

Approximation

An approximate numerical result would be: one hundred and thirty-eight milliliters is about zero point five seven US customary cups, or alternatively, a US customary cup is about one point seven one times one hundred and thirty-eight milliliters.