217 US customary teaspoons in imperial cups
Result
The conversion result is: 217 US customary teaspoons is equivalent to 3.76438120967689 imperial cups.[1]
Conversion formula
How to convert 217 US customary teaspoons to imperial cups?
We know (by definition) that: 1 usteaspoon ≈ 0.0173473788464373 brcup.
We can set up a proportion to solve for the number of imperial cups.
1 usteaspoon / 217 usteaspoon ≈ 0.0173473788464373 brcup / x brcup
Now, we cross multiply to solve for our unknown x:
x brcup ≈ (217 usteaspoon / 1 usteaspoon) * 0.0173473788464373 brcup → x brcup ≈ 3.764381209676894 brcup
Conclusion:
217 usteaspoon ≈ 3.764381209676894 brcup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial cup is equal to 0.265647909789092 times 217 US customary teaspoons.
It can also be expressed as: 217 US customary teaspoons is equal to 1 / 0.265647909789092 imperial cups.
Approximation
An approximate numerical result would be: two hundred and seventeen US customary teaspoons is about three point seven five imperial cups, or alternatively, a imperial cup is about zero point two seven times two hundred and seventeen US customary teaspoons.
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.