420 US quarts in imperial cups

Conversion formula
How to convert 420 US quarts to imperial cups?

We know (by definition) that: $1\mathrm{usquart}\approx 3.33069673851596\mathrm{brcup}$

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

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

Conclusion: 420 ⁢ usquart ≈ 1398.8926301767033 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.000714851146133842 times 420 US quarts.

It can also be expressed as: 420 US quarts is equal to $\frac{1}{\mathrm{0.000714851146133842}}$ imperial cups.

Approximation

An approximate numerical result would be: four hundred and twenty US quarts is about one thousand, three hundred and ninety-eight point eight nine imperial cups, or alternatively, a imperial cup is about zero times four hundred and twenty US quarts.