21 imperial quarts in US dry barrels

Conversion formula
How to convert 21 imperial quarts to US dry barrels?

We know (by definition) that: $1\mathrm{imperialquart}\approx 0.00982920325934033\mathrm{drybarrel}$

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

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

Conclusion: 21 ⁢ imperialquart ≈ 0.20641326844614694 ⁢ drybarrel

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US dry barrel is equal to 4.84464980147775 times 21 imperial quarts.

It can also be expressed as: 21 imperial quarts is equal to $\frac{1}{\mathrm{4.84464980147775}}$ US dry barrels.

Approximation

An approximate numerical result would be: twenty-one imperial quarts is about zero point two one US dry barrels, or alternatively, a US dry barrel is about four point eight three times twenty-one imperial quarts.