21 dry gallons in US gallons

Conversion formula
How to convert 21 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: 21 ⁢ drygallon ≈ 24.436590909090988 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.040922238446443 times 21 dry gallons.

It can also be expressed as: 21 dry gallons is equal to $\frac{1}{\mathrm{0.040922238446443}}$ US gallons.

Approximation

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