171 imperial cups in US customary teaspoons
Conversion
171 imperial cups is equivalent to 9857.39698854385 US customary teaspoons.[1]
Conversion formula
How to convert 171 imperial cups 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 :
Conclusion:

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary teaspoon is equal to 0.000101446659920686 times 171 imperial cups.
It can also be expressed as: 171 imperial cups is equal to US customary teaspoons.
Approximation
An approximate numerical result would be: one hundred and seventy-one imperial cups is about nine thousand, eight hundred and fifty-seven point three nine US customary teaspoons, or alternatively, a US customary teaspoon is about zero times one hundred and seventy-one imperial cups.
Footnotes
[1] 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.