509 US gallons in dry gallons

Conversion formula
How to convert 509 US gallons to dry gallons?

We know (by definition) that: $1\mathrm{usgallon}\approx 0.859367007375303\mathrm{drygallon}$

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: 509 ⁢ usgallon ≈ 437.41780675402924 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.00228614378417915 times 509 US gallons.

It can also be expressed as: 509 US gallons is equal to $\frac{1}{\mathrm{0.00228614378417915}}$ dry gallons.

Approximation

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