20 imperial cups in dry gallons

Conversion formula
How to convert 20 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: 20 ⁢ brcup ≈ 1.2900709293608759 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.77515117753674 times 20 imperial cups.

It can also be expressed as: 20 imperial cups is equal to $\frac{1}{\mathrm{0.77515117753674}}$ dry gallons.

Approximation

An approximate numerical result would be: twenty imperial cups is about one point two nine dry gallons, or alternatively, a dry gallon is about zero point seven eight times twenty imperial cups.