421 dry gallons in US gallons

Conversion formula
How to convert 421 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: 421 ⁢ drygallon ≈ 489.895465367967 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00204125179899122 times 421 dry gallons.

It can also be expressed as: 421 dry gallons is equal to $\frac{1}{\mathrm{0.00204125179899122}}$ US gallons.

Approximation

An approximate numerical result would be: four hundred and twenty-one dry gallons is about four hundred and eighty-nine point eight nine US gallons, or alternatively, a US gallon is about zero times four hundred and twenty-one dry gallons.