489 US customary cups in metric teaspoons

Conversion formula
How to convert 489 US customary cups to metric teaspoons?

We know (by definition) that: $1\mathrm{uscup}\approx 47.3176473\mathrm{brteaspoon}$

We can set up a proportion to solve for the number of metric teaspoons.

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

Conclusion: 489 ⁢ uscup ≈ 23138.3295297 ⁢ brteaspoon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 metric teaspoon is equal to 4.32183316741347e-05 times 489 US customary cups.

It can also be expressed as: 489 US customary cups is equal to $\frac{1}{\mathrm{4.32183316741347e-05}}$ metric teaspoons.

Approximation

An approximate numerical result would be: four hundred and eighty-nine US customary cups is about twenty-three thousand, one hundred and thirty-eight point three three metric teaspoons, or alternatively, a metric teaspoon is about zero times four hundred and eighty-nine US customary cups.