638 dry gallons in US gallons

Conversion formula
How to convert 638 dry gallons to US gallons?

We know (by definition) that: $1\mathrm{drygallon}\approx 1.16364718614719\mathrm{usgallon}$

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

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

Conclusion: 638 ⁢ drygallon ≈ 742.4069047619072 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00134697023099577 times 638 dry gallons.

It can also be expressed as: 638 dry gallons is equal to $\frac{1}{\mathrm{0.00134697023099577}}$ US gallons.

Approximation

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