18 dry quarts in dry gallons

Conversion formula
How to convert 18 dry quarts to dry gallons?

We know (by definition) that: $1\mathrm{dryquart}\approx 0.25\mathrm{drygallon}$

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: 18 ⁢ dryquart ≈ 4.5 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.222222222222222 times 18 dry quarts.

It can also be expressed as: 18 dry quarts is equal to $\frac{1}{\mathrm{0.222222222222222}}$ dry gallons.

Approximation

An approximate numerical result would be: eighteen dry quarts is about zero dry gallons, or alternatively, a dry gallon is about zero point two two times eighteen dry quarts.