640 imperial pints in US customary cups

Conversion formula
How to convert 640 imperial pints to US customary cups?

We know (by definition) that: $1\mathrm{imperialpint}\approx 2.40189985100971\mathrm{uscup}$

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: 640 ⁢ imperialpint ≈ 1537.2159046462143 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.000650526706741398 times 640 imperial pints.

It can also be expressed as: 640 imperial pints is equal to $\frac{1}{\mathrm{0.000650526706741398}}$ US customary cups.

Approximation

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