309 US tablespoons in US customary cups

Conversion formula
How to convert 309 US tablespoons to US customary cups?

We know (by definition) that: $1\mathrm{ustablespoon}\approx 0.0625\mathrm{uscup}$

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: 309 ⁢ ustablespoon ≈ 19.3125 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.0517799352750809 times 309 US tablespoons.

It can also be expressed as: 309 US tablespoons is equal to $\frac{1}{\mathrm{0.0517799352750809}}$ US customary cups.

Approximation

An approximate numerical result would be: three hundred and nine US tablespoons is about nineteen point three zero US customary cups, or alternatively, a US customary cup is about zero point zero five times three hundred and nine US tablespoons.