266 imperial cups in metric teaspoons
Result
The conversion result is: 266 imperial cups is equivalent to 15115.74925 metric teaspoons.[1]
Conversion formula
How to convert 266 imperial cups to metric teaspoons?
We know (by definition) that: 1 brcup ≈ 56.826125 brteaspoon.
We can set up a proportion to solve for the number of metric teaspoons.
1 brcup / 266 brcup ≈ 56.826125 brteaspoon / x brteaspoon
Now, we cross multiply to solve for our unknown x:
x brteaspoon ≈ (266 brcup / 1 brcup) * 56.826125 brteaspoon → x brteaspoon ≈ 15115.749249999999 brteaspoon
Conclusion:
266 brcup ≈ 15115.749249999999 brteaspoon

Conversion in the opposite direction
The inverse of the conversion factor is that 1 metric teaspoon is equal to 6.61561649019813e-05 times 266 imperial cups.
It can also be expressed as: 266 imperial cups is equal to 1 / 6.61561649019813e-05 metric teaspoons.
Approximation
An approximate numerical result would be: two hundred and sixty-six imperial cups is about fifteen thousand, one hundred and fifteen point seven five metric teaspoons, or alternatively, a metric teaspoon is about zero times two hundred and sixty-six 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.