220 US customary cups in US dry barrels
Result
The conversion result is: 220 US customary cups is equivalent to 0.45014880952381 US dry barrels.[1]
Conversion formula
How to convert 220 US customary cups to US dry barrels?
We know (by definition) that: 1 uscup ≈ 0.00204613095238095 drybarrel.
We can set up a proportion to solve for the number of US dry barrels.
1 uscup / 220 uscup ≈ 0.00204613095238095 drybarrel / x drybarrel
Now, we cross multiply to solve for our unknown x:
x drybarrel ≈ (220 uscup / 1 uscup) * 0.00204613095238095 drybarrel → x drybarrel ≈ 0.450148809523809 drybarrel
Conclusion:
220 uscup ≈ 0.450148809523809 drybarrel

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry barrel is equal to 2.22148760330579 times 220 US customary cups.
It can also be expressed as: 220 US customary cups is equal to 1 / 2.22148760330579 US dry barrels.
Approximation
An approximate numerical result would be: two hundred and twenty US customary cups is about zero point four five US dry barrels, or alternatively, a US dry barrel is about two point two two times two hundred and twenty US customary cups.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.