491 imperial cups in US customary cups

Conversion formula
How to convert 491 imperial cups to US customary cups?

We know (by definition) that: $1\mathrm{brcup}\approx 1.20094992550486\mathrm{uscup}$

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: 491 ⁢ brcup ≈ 589.6664134228862 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.00169587410311403 times 491 imperial cups.

It can also be expressed as: 491 imperial cups is equal to $\frac{1}{\mathrm{0.00169587410311403}}$ US customary cups.

Approximation

An approximate numerical result would be: four hundred and ninety-one imperial cups is about five hundred and eighty-nine point six six US customary cups, or alternatively, a US customary cup is about zero times four hundred and ninety-one imperial cups.