421 imperial gallons in US quarts

Conversion formula
How to convert 421 imperial gallons to US quarts?

We know (by definition) that: $1\mathrm{imperialgallon}\approx 4.80379970201942\mathrm{usquart}$

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

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

Conclusion: 421 ⁢ imperialgallon ≈ 2022.3996745501759 ⁢ usquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US quart is equal to 0.000494462104886573 times 421 imperial gallons.

It can also be expressed as: 421 imperial gallons is equal to $\frac{1}{\mathrm{0.000494462104886573}}$ US quarts.

Approximation

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