138 US gallons in imperial quarts

Conversion formula
How to convert 138 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: 138 ⁢ usgallon ≈ 459.6361499152025 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.00217563392301604 times 138 US gallons.

It can also be expressed as: 138 US gallons is equal to $\frac{1}{\mathrm{0.00217563392301604}}$ imperial quarts.

Approximation

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