421 US customary cups in dry gallons

Conversion formula
How to convert 421 US customary cups to dry gallons?

We know (by definition) that: $1\mathrm{uscup}\approx 0.0537104379609565\mathrm{drygallon}$

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: 421 ⁢ uscup ≈ 22.612094381562688 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.0442241210887292 times 421 US customary cups.

It can also be expressed as: 421 US customary cups is equal to $\frac{1}{\mathrm{0.0442241210887292}}$ dry gallons.

Approximation

An approximate numerical result would be: four hundred and twenty-one US customary cups is about twenty-two point six zero dry gallons, or alternatively, a dry gallon is about zero point zero four times four hundred and twenty-one US customary cups.