221 US customary teaspoons in dry gallons

Conversion formula
How to convert 221 US customary teaspoons to dry gallons?

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.00111896745751993\mathrm{drygallon}$

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

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

Conclusion: 221 ⁢ usteaspoon ≈ 0.24729180811190452 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 4.04380560615855 times 221 US customary teaspoons.

It can also be expressed as: 221 US customary teaspoons is equal to $\frac{1}{\mathrm{4.04380560615855}}$ dry gallons.

Approximation

An approximate numerical result would be: two hundred and twenty-one US customary teaspoons is about zero point two five dry gallons, or alternatively, a dry gallon is about four point zero four times two hundred and twenty-one US customary teaspoons.