How to convert 642 US dry pints to US customary teaspoons?
We know (by definition) that:
We can set up a proportion to solve for the number of US customary teaspoons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary teaspoon is equal to 1.39435197198745e-05 times 642 US dry pints.
It can also be expressed as: 642 US dry pints is equal to US customary teaspoons.
An approximate numerical result would be: six hundred and forty-two US dry pints is about seventy-one thousand, seven hundred and seventeen point eight nine US customary teaspoons, or alternatively, a US customary teaspoon is about zero times six hundred and forty-two US dry pints.
 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.