642 US gallons in imperial quarts

Conversion formula
How to convert 642 US gallons to imperial quarts?

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

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: 642 ⁢ usgallon ≈ 2138.307306127246 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.000467659628311859 times 642 US gallons.

It can also be expressed as: 642 US gallons is equal to $\frac{1}{\mathrm{0.000467659628311859}}$ imperial quarts.

Approximation

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