21 US customary cups in US dry barrels

Result

The conversion result is: 21 US customary cups is equivalent to 0.04296875 US dry barrels.[1]

Conversion formula
How to convert 21 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 / 21 uscup ≈ 0.00204613095238095 drybarrel / x drybarrel

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

x drybarrel ≈ (21 uscup / 1 uscup) * 0.00204613095238095 drybarrel → x drybarrel ≈ 0.042968749999999944 drybarrel

Conclusion:

21 uscup ≈ 0.042968749999999944 drybarrel

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US dry barrel is equal to 23.2727272727273 times 21 US customary cups.

It can also be expressed as: 21 US customary cups is equal to 1 / 23.2727272727273 US dry barrels.

Approximation

An approximate numerical result would be: twenty-one US customary cups is about zero point zero four US dry barrels, or alternatively, a US dry barrel is about twenty-three point two six times twenty-one 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.