How to convert 509 US tablespoons to US customary teaspoons?
We know (by definition) that:
We can set up a proportion to solve for the number of US customary teaspoons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary teaspoon is equal to 0.000654878847413229 times 509 US tablespoons.
It can also be expressed as: 509 US tablespoons is equal to US customary teaspoons.
An approximate numerical result would be: five hundred and nine US tablespoons is about one thousand, five hundred and twenty-seven US customary teaspoons, or alternatively, a US customary teaspoon is about zero times five hundred and nine US tablespoons.
 The precision is 15 significant digits (fourteen digits to the right of the decimal point).Results may contain small errors due to the use of floating point arithmetic.