It means that you use a teaspoon to scoop whatever ingredient 5 times and add when called for.
Usually, you should fill the teaspoon up level or add just a tad more. However, they may specify "level," "rounded" or "heaping." Level means to fill to the top edge of the spoon. Rounded means just a bit more than level to where there is slight "dome" to it. Heaping means to fill it as much as possible.
That is 2/5 of a teaspoon
1 teaspoon is 5 millilitres.
A typical teaspoon is about 5 ml.
That is 1 teaspoon.
1 US teaspoon = 4.92892159 ml1 teaspoon is about 5 (4.9289) mL
5 milliliters
1 teaspoon is 5 gm of water. So 1 teaspoon of bi-carb is approximately 5 gm.
A teaspoon is used as a unit of volume, not weight. A teaspoon is 5 milliliter (5 ml). Actual teaspoons may contain more or less; the "5 ml" is for a teaspoon as used in cooking recipes.
That is approximately 1/5 of a teaspoon.
It is 5 ml.
About 5 grams
A teaspoon is 5 ml, so 3 ml would be three-fifths of a teaspoon.