21 dry quarts in imperial gallons

Conversion formula
How to convert 21 dry quarts to imperial gallons?

We know (by definition) that: $1\mathrm{dryquart}\approx 0.242234742980231\mathrm{imperialgallon}$

We can set up a proportion to solve for the number of imperial gallons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 21 ⁢ dryquart ≈ 5.086929602584851 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.196582236854991 times 21 dry quarts.

It can also be expressed as: 21 dry quarts is equal to $\frac{1}{\mathrm{0.196582236854991}}$ imperial gallons.

Approximation

An approximate numerical result would be: twenty-one dry quarts is about five point zero eight imperial gallons, or alternatively, a imperial gallon is about zero point two zero times twenty-one dry quarts.