How to convert 128 UK 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 0.00256714666341146 times 128 UK tablespoons.
It can also be expressed as: 128 UK tablespoons is equal to US customary teaspoons.
An approximate numerical result would be: one hundred and twenty-eight UK tablespoons is about three hundred and eighty-nine point five four US customary teaspoons, or alternatively, a US customary teaspoon is about zero times one hundred and twenty-eight UK 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.