How to convert 639 imperial gallons to US dry pints?
We know (by definition) that:
We can set up a proportion to solve for the number of US dry pints.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry pint is equal to 0.000189542052410197 times 639 imperial gallons.
It can also be expressed as: 639 imperial gallons is equal to US dry pints.
An approximate numerical result would be: six hundred and thirty-nine imperial gallons is about five thousand, two hundred and seventy-five point eight six US dry pints, or alternatively, a US dry pint is about zero times six hundred and thirty-nine imperial gallons.
 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.