648 US customary cups in imperial cups

Conversion formula
How to convert 648 US customary cups to imperial cups?

We know (by definition) that: $1\mathrm{uscup}\approx 0.832674184628989\mathrm{brcup}$

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: 648 ⁢ uscup ≈ 539.5728716395848 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.00185331778627292 times 648 US customary cups.

It can also be expressed as: 648 US customary cups is equal to $\frac{1}{\mathrm{0.00185331778627292}}$ imperial cups.

Approximation

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