About 1/12 of a teaspoon.
There are about 0.26 teaspoons of ginger powder in one gram.
Depends WHAT kind of powder
There is approximately 0.897 grams of cinnamon powder in half a teaspoon. This means that there is about 1.794 grams in a teaspoon.
Depends what kind of powder.
1 tsp is 5 grams. 460g is 92 teaspoons.
It depends what you put in it
The answer to your question depends on the weight to volume ratio of the powder in question. Since this powder could be anything from gunpowder to talcum powder, it is impossible to give you a clear answer. Because teaspoons measure volume not weight. If instead of a half pound of powder you said a quart of powder then a clear answer could be given, since quart and teaspoons both measure volume and not weight.
0.2 teaspoons in a gram of sugar.
20.34 teaspoons will make 50 grams of powder.
0.2 teaspoons of sugar.
That is 10 teaspoons.
There are 6 teaspoons in one ounce of garlic powder.