990 imperial cups in dry gallons

Conversion formula
How to convert 990 imperial cups to dry gallons?

We know (by definition) that: $1\mathrm{brcup}\approx 0.0645035464680438\mathrm{drygallon}$

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

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

Conclusion: 990 ⁢ brcup ≈ 63.858511003363354 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.015659619748217 times 990 imperial cups.

It can also be expressed as: 990 imperial cups is equal to $\frac{1}{\mathrm{0.015659619748217}}$ dry gallons.

Approximation

An approximate numerical result would be: nine hundred and ninety imperial cups is about sixty-three point eight five dry gallons, or alternatively, a dry gallon is about zero point zero two times nine hundred and ninety imperial cups.