390 US pints in US customary cups
Result
The conversion result is: 390 US pints is equivalent to 780 US customary cups.[1]
Conversion formula
How to convert 390 US pints to US customary cups?
We know (by definition) that: 1 uspint ≈ 2 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 uspint / 390 uspint ≈ 2 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (390 uspint / 1 uspint) * 2 uscup → x uscup ≈ 780 uscup
Conclusion:
390 uspint ≈ 780 uscup
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.00128205128205128 times 390 US pints.
It can also be expressed as: 390 US pints is equal to 1 / 0.00128205128205128 US customary cups.
Approximation
An approximate numerical result would be: three hundred and ninety US pints is about seven hundred and eighty US customary cups, or alternatively, a US customary cup is about zero times three hundred and ninety US 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.