21 US tablespoons in imperial cups

Conversion formula
How to convert 21 US tablespoons to imperial cups?

We know (by definition) that: $1\mathrm{ustablespoon}\approx 0.0520421365393118\mathrm{brcup}$

We can set up a proportion to solve for the number of imperial cups.

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

Conclusion: 21 ⁢ ustablespoon ≈ 1.0928848673255478 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.915009467051318 times 21 US tablespoons.

It can also be expressed as: 21 US tablespoons is equal to $\frac{1}{\mathrm{0.915009467051318}}$ imperial cups.

Approximation

An approximate numerical result would be: twenty-one US tablespoons is about one point zero nine imperial cups, or alternatively, a imperial cup is about zero point nine two times twenty-one US tablespoons.