644 US pints in imperial gallons

Conversion formula
How to convert 644 US pints to imperial gallons?

We know (by definition) that: $1\mathrm{uspint}\approx 0.104084273078624\mathrm{imperialgallon}$

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

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

Conclusion: 644 ⁢ uspint ≈ 67.03027186263385 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.0149186326149671 times 644 US pints.

It can also be expressed as: 644 US pints is equal to $\frac{1}{\mathrm{0.0149186326149671}}$ imperial gallons.

Approximation

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