21 dry quarts in imperial cups

Conversion formula
How to convert 21 dry quarts to imperial cups?

We know (by definition) that: $1\mathrm{dryquart}\approx 3.8757558876837\mathrm{brcup}$

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

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

Conclusion: 21 ⁢ dryquart ≈ 81.3908736413577 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.0122863898034369 times 21 dry quarts.

It can also be expressed as: 21 dry quarts is equal to $\frac{1}{\mathrm{0.0122863898034369}}$ imperial cups.

Approximation

An approximate numerical result would be: twenty-one dry quarts is about eighty-one point three nine imperial cups, or alternatively, a imperial cup is about zero point zero one times twenty-one dry quarts.