40 US gallons in imperial quarts

Conversion formula
How to convert 40 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: 40 ⁢ usgallon ≈ 133.2278695406384 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.00750593703440534 times 40 US gallons.

It can also be expressed as: 40 US gallons is equal to $\frac{1}{\mathrm{0.00750593703440534}}$ imperial quarts.

Approximation

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