663 imperial cups in imperial quarts
Result
The conversion result is: 663 imperial cups is equivalent to 165.75 imperial quarts.[1]
Conversion formula
How to convert 663 imperial cups to imperial quarts?
We know (by definition) that: 1 brcup ≈ 0.25 imperialquart.
We can set up a proportion to solve for the number of imperial quarts.
1 brcup / 663 brcup ≈ 0.25 imperialquart / x imperialquart
Now, we cross multiply to solve for our unknown x:
x imperialquart ≈ (663 brcup / 1 brcup) * 0.25 imperialquart → x imperialquart ≈ 165.75 imperialquart
Conclusion:
663 brcup ≈ 165.75 imperialquart

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial quart is equal to 0.00603318250377074 times 663 imperial cups.
It can also be expressed as: 663 imperial cups is equal to 1 / 0.00603318250377074 imperial quarts.
Approximation
An approximate numerical result would be: six hundred and sixty-three imperial cups is about zero imperial quarts, or alternatively, a imperial quart is about zero point zero one times six hundred and sixty-three imperial 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.