420 imperial gallons in imperial quarts

Conversion formula
How to convert 420 imperial gallons to imperial quarts?

We know (by definition) that: $1\mathrm{imperialgallon}\approx 4\mathrm{imperialquart}$

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

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

Conclusion: 420 ⁢ imperialgallon ≈ 1680 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.000595238095238095 times 420 imperial gallons.

It can also be expressed as: 420 imperial gallons is equal to $\frac{1}{\mathrm{0.000595238095238095}}$ imperial quarts.

Approximation

An approximate numerical result would be: four hundred and twenty imperial gallons is about one thousand, six hundred and eighty imperial quarts, or alternatively, a imperial quart is about zero times four hundred and twenty imperial gallons.