642 imperial cups in US dry barrels

Conversion formula
How to convert 642 imperial cups to US dry barrels?

We know (by definition) that: $1\mathrm{brcup}\approx 0.00245730081483508\mathrm{drybarrel}$

We can set up a proportion to solve for the number of US dry barrels.

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

Conclusion: 642 ⁢ brcup ≈ 1.5775871231241214 ⁢ drybarrel

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US dry barrel is equal to 0.633879413277463 times 642 imperial cups.

It can also be expressed as: 642 imperial cups is equal to $\frac{1}{\mathrm{0.633879413277463}}$ US dry barrels.

Approximation

An approximate numerical result would be: six hundred and forty-two imperial cups is about one point five eight US dry barrels, or alternatively, a US dry barrel is about zero point six three times six hundred and forty-two imperial cups.