21 imperial gallons in dry quarts

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

We know (by definition) that: $1\mathrm{imperialgallon}\approx 4.1282269739548\mathrm{dryquart}$

We can set up a proportion to solve for the number of dry quarts.

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

Conclusion: 21 ⁢ imperialgallon ≈ 86.69276645305081 ⁢ dryquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry quart is equal to 0.0115349877609634 times 21 imperial gallons.

It can also be expressed as: 21 imperial gallons is equal to $\frac{1}{\mathrm{0.0115349877609634}}$ dry quarts.

Approximation

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