421 US customary teaspoons in imperial quarts

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

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.00433684471160932\mathrm{imperialquart}$

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

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

Conclusion: 421 ⁢ usteaspoon ≈ 1.825811623587524 ⁢ imperialquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial quart is equal to 0.547701628733806 times 421 US customary teaspoons.

It can also be expressed as: 421 US customary teaspoons is equal to $\frac{1}{\mathrm{0.547701628733806}}$ imperial quarts.

Approximation

An approximate numerical result would be: four hundred and twenty-one US customary teaspoons is about one point eight three imperial quarts, or alternatively, a imperial quart is about zero point five five times four hundred and twenty-one US customary teaspoons.