648 imperial cups in US dry pints
Result
The conversion result is: 648 imperial cups is equivalent to 334.386384890339 US dry pints.[1]
Conversion formula
How to convert 648 imperial cups to US dry pints?
We know (by definition) that: 1 brcup ≈ 0.51602837174435 drypint.
We can set up a proportion to solve for the number of US dry pints.
1 brcup / 648 brcup ≈ 0.51602837174435 drypint / x drypint
Now, we cross multiply to solve for our unknown x:
x drypint ≈ (648 brcup / 1 brcup) * 0.51602837174435 drypint → x drypint ≈ 334.38638489033883 drypint
Conclusion:
648 brcup ≈ 334.38638489033883 drypint

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry pint is equal to 0.00299055238247199 times 648 imperial cups.
It can also be expressed as: 648 imperial cups is equal to 1 / 0.00299055238247199 US dry pints.
Approximation
An approximate numerical result would be: six hundred and forty-eight imperial cups is about three hundred and thirty-four point three eight US dry pints, or alternatively, a US dry pint is about zero times six hundred and forty-eight 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.