129 US customary teaspoons in US customary cups

Conversion formula
How to convert 129 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: 129 ⁢ usteaspoon ≈ 2.687499999999996 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.372093023255814 times 129 US customary teaspoons.

It can also be expressed as: 129 US customary teaspoons is equal to $\frac{1}{\mathrm{0.372093023255814}}$ US customary cups.

Approximation

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