640 US pints in dry gallons

Conversion formula
How to convert 640 US pints to dry gallons?

We know (by definition) that: $1\mathrm{uspint}\approx 0.107420875921913\mathrm{drygallon}$

We can set up a proportion to solve for the number of dry gallons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 640 ⁢ uspint ≈ 68.74936059002432 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.0145455898268398 times 640 US pints.

It can also be expressed as: 640 US pints is equal to $\frac{1}{\mathrm{0.0145455898268398}}$ dry gallons.

Approximation

An approximate numerical result would be: six hundred and forty US pints is about sixty-eight point seven five dry gallons, or alternatively, a dry gallon is about zero point zero one times six hundred and forty US pints.