277 imperial pints in US customary cups
Result
The conversion result is: 277 imperial pints is equivalent to 665.32625872969 US customary cups.[1]
Conversion formula
How to convert 277 imperial pints to US customary cups?
We know (by definition) that: 1 imperialpint ≈ 2.40189985100971 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 imperialpint / 277 imperialpint ≈ 2.40189985100971 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (277 imperialpint / 1 imperialpint) * 2.40189985100971 uscup → x uscup ≈ 665.3262587296897 uscup
Conclusion:
277 imperialpint ≈ 665.3262587296897 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.00150302199391514 times 277 imperial pints.
It can also be expressed as: 277 imperial pints is equal to 1 / 0.00150302199391514 US customary cups.
Approximation
An approximate numerical result would be: two hundred and seventy-seven imperial pints is about six hundred and sixty-five point three three US customary cups, or alternatively, a US customary cup is about zero times two hundred and seventy-seven imperial pints.
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.