400 imperial cups in US gallons

Conversion formula
How to convert 400 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: 400 ⁢ brcup ≈ 30.023748137621357 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.0333069673851595 times 400 imperial cups.

It can also be expressed as: 400 imperial cups is equal to $\frac{1}{\mathrm{0.0333069673851595}}$ US gallons.

Approximation

An approximate numerical result would be: four hundred imperial cups is about thirty point zero one US gallons, or alternatively, a US gallon is about zero point zero three times four hundred imperial cups.