That is 3.3 ml.
1.64mL
1 teaspoon is 5ml. So 1/3 of that is 1.65 ml.
"Mils" is confusing. It is either ml or millilitres. Three ml is 3/5 of a teaspoon.
5 ml in a teaspoon.
5 ml in a teaspoon.
There are 5 mL in 1 teaspoon.
There are 5ml in a teaspoon.
5 ml in traditional teaspoon.
There are 5 mL in 1 teaspoon.
There are 5ml in one teaspoon, thus 0.75 teaspoon = 3.75 mL.
4.5 ml is approximately 0.9 of a teaspoon.
1 teaspoon is 5ml. So 1/3 of that is 1.65 ml.