138 dry quarts in US customary cups

Conversion formula
How to convert 138 dry quarts to US customary cups?

We know (by definition) that: $1\mathrm{dryquart}\approx 4.65458874458874\mathrm{uscup}$

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

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

Conclusion: 138 ⁢ dryquart ≈ 642.3332467532462 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.00155682428872338 times 138 dry quarts.

It can also be expressed as: 138 dry quarts is equal to $\frac{1}{\mathrm{0.00155682428872338}}$ US customary cups.

Approximation

An approximate numerical result would be: one hundred and thirty-eight dry quarts is about six hundred and forty-two point three three US customary cups, or alternatively, a US customary cup is about zero times one hundred and thirty-eight dry quarts.