989 US customary teaspoons in US customary cups

Conversion formula
How to convert 989 US customary teaspoons to US customary cups?

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.0208333333333333\mathrm{uscup}$

We can set up a proportion to solve for the number of US customary cups.

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

Conclusion: 989 ⁢ usteaspoon ≈ 20.604166666666636 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.0485338725985844 times 989 US customary teaspoons.

It can also be expressed as: 989 US customary teaspoons is equal to $\frac{1}{\mathrm{0.0485338725985844}}$ US customary cups.

Approximation

An approximate numerical result would be: nine hundred and eighty-nine US customary teaspoons is about twenty point six zero US customary cups, or alternatively, a US customary cup is about zero point zero five times nine hundred and eighty-nine US customary teaspoons.