If you use a teaspoon, it should be a measuring spoon. Regular spoons are not reliable. Also, remember that 1 level teaspoon equals 5 mL and that ½ a teaspoon equals 2.5 mL.

What size is 5 mL in teaspoons?

5ml = 1 standard (metric) teaspoon. However, I have measured how much our normal largest teaspoon can hold and it is just under 3ml.

What is 1 teaspoon equal to in mL?

Definition: A teaspoon (symbol: tsp) is a unit of volume based on an item of cutlery. The United States customary teaspoon is equal to exactly 4.928922 mL. The metric teaspoon is equal to 5 mL.