21 US customary cups in dry quarts
Result
The conversion result is: 21 US customary cups is equivalent to 4.51167678872034 dry quarts.[1]
Conversion formula
How to convert 21 US customary cups to dry quarts?
We know (by definition) that: 1 uscup ≈ 0.214841751843826 dryquart.
We can set up a proportion to solve for the number of dry quarts.
1 uscup / 21 uscup ≈ 0.214841751843826 dryquart / x dryquart
Now, we cross multiply to solve for our unknown x:
x dryquart ≈ (21 uscup / 1 uscup) * 0.214841751843826 dryquart → x dryquart ≈ 4.511676788720346 dryquart
Conclusion:
21 uscup ≈ 4.511676788720346 dryquart
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry quart is equal to 0.221647083075655 times 21 US customary cups.
It can also be expressed as: 21 US customary cups is equal to 1 / 0.221647083075655 dry quarts.
Approximation
An approximate numerical result would be: twenty-one US customary cups is about four point five zero dry quarts, or alternatively, a dry quart is about zero point two two 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.