421 US customary cups in imperial quarts
Result
The conversion result is: 421 US customary cups is equivalent to 87.6389579322011 imperial quarts.[1]
Conversion formula
How to convert 421 US customary cups to imperial quarts?
We know (by definition) that: 1 uscup ≈ 0.208168546157247 imperialquart.
We can set up a proportion to solve for the number of imperial quarts.
1 uscup / 421 uscup ≈ 0.208168546157247 imperialquart / x imperialquart
Now, we cross multiply to solve for our unknown x:
x imperialquart ≈ (421 uscup / 1 uscup) * 0.208168546157247 imperialquart → x imperialquart ≈ 87.638957932201 imperialquart
Conclusion:
421 uscup ≈ 87.638957932201 imperialquart
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial quart is equal to 0.011410450598621 times 421 US customary cups.
It can also be expressed as: 421 US customary cups is equal to 1 / 0.011410450598621 imperial quarts.
Approximation
An approximate numerical result would be: four hundred and twenty-one US customary cups is about eighty-seven point six four imperial quarts, or alternatively, a imperial quart is about zero point zero one times four hundred and 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.