90 imperial cups in US gallons

Conversion formula
How to convert 90 imperial cups to US gallons?

We know (by definition) that: $1\mathrm{brcup}\approx 0.0750593703440534\mathrm{usgallon}$

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

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

Conclusion: 90 ⁢ brcup ≈ 6.755343330964806 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.148030966156265 times 90 imperial cups.

It can also be expressed as: 90 imperial cups is equal to $\frac{1}{\mathrm{0.148030966156265}}$ US gallons.

Approximation

An approximate numerical result would be: ninety imperial cups is about six point seven five US gallons, or alternatively, a US gallon is about zero point one five times ninety imperial cups.