721 imperial quarts in US gallons

Conversion formula
How to convert 721 imperial quarts to US gallons?

We know (by definition) that: $1\mathrm{imperialquart}\approx 0.300237481376214\mathrm{usgallon}$

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: 721 ⁢ imperialquart ≈ 216.47122407225027 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00461955164842712 times 721 imperial quarts.

It can also be expressed as: 721 imperial quarts is equal to $\frac{1}{\mathrm{0.00461955164842712}}$ US gallons.

Approximation

An approximate numerical result would be: seven hundred and twenty-one imperial quarts is about two hundred and sixteen point four six US gallons, or alternatively, a US gallon is about zero times seven hundred and twenty-one imperial quarts.