1 teaspoon is 5 millimeters so 9 millimeters... that would be 1.8 teaspoon.
Millimetre is a measure of length, NOT compatible with teaspoon.
Quarter Teaspoon.
Milimeters is a measure of distance and teaspoons are a measure of volume. There is not conversion.
It's about half a teaspoon.
That is approximately 2.5 grams
That is 1 standard teaspoon
A whole teaspoon is bigger than a half teaspoon. A whole teaspoon is equivalent to 5 milliliters or approximately 0.17 fluid ounces, while a half teaspoon is half of that amount.
one and a half to two
Probably about a half of a pinch.
That is 1/10 of a teaspoon
half a teaspoon