491 US gallons in imperial quarts

Conversion formula
How to convert 491 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: 491 ⁢ usgallon ≈ 1635.3720986113365 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.000611481632130782 times 491 US gallons.

It can also be expressed as: 491 US gallons is equal to $\frac{1}{\mathrm{0.000611481632130782}}$ imperial quarts.

Approximation

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