421 US customary teaspoons in dry quarts

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

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.00447586983007971\mathrm{dryquart}$

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

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

Conclusion: 421 ⁢ usteaspoon ≈ 1.884341198463558 ⁢ dryquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry quart is equal to 0.53068945306475 times 421 US customary teaspoons.

It can also be expressed as: 421 US customary teaspoons is equal to $\frac{1}{\mathrm{0.53068945306475}}$ dry quarts.

Approximation

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