680 US customary cups in US dry barrels

Conversion formula
How to convert 680 US customary cups to US dry barrels?

We know (by definition) that: $1\mathrm{uscup}\approx 0.00204613095238095\mathrm{drybarrel}$

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: 680 ⁢ uscup ≈ 1.391369047619046 ⁢ drybarrel

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US dry barrel is equal to 0.718716577540107 times 680 US customary cups.

It can also be expressed as: 680 US customary cups is equal to $\frac{1}{\mathrm{0.718716577540107}}$ US dry barrels.

Approximation

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