688 US customary teaspoons in dry quarts

Conversion formula
How to convert 688 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: 688 ⁢ usteaspoon ≈ 3.0793984430948407 ⁢ dryquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry quart is equal to 0.324738749622471 times 688 US customary teaspoons.

It can also be expressed as: 688 US customary teaspoons is equal to $\frac{1}{\mathrm{0.324738749622471}}$ dry quarts.

Approximation

An approximate numerical result would be: six hundred and eighty-eight US customary teaspoons is about three point zero eight dry quarts, or alternatively, a dry quart is about zero point three two times six hundred and eighty-eight US customary teaspoons.