421 US customary teaspoons in imperial cups

Conversion formula
How to convert 421 US customary teaspoons to imperial cups?

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.0173473788464373\mathrm{brcup}$

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: 421 ⁢ usteaspoon ≈ 7.303246494350103 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.136925407183451 times 421 US customary teaspoons.

It can also be expressed as: 421 US customary teaspoons is equal to $\frac{1}{\mathrm{0.136925407183451}}$ imperial cups.

Approximation

An approximate numerical result would be: four hundred and twenty-one US customary teaspoons is about seven point two nine imperial cups, or alternatively, a imperial cup is about zero point one four times four hundred and twenty-one US customary teaspoons.