Ronald Reagan. 1  40th president of the United States (1981â89), noted for his conservative Republicanism, his fervent anticommunism, and his appealing personal style, characterized by a jaunty affability and folksy charm....
20 drops of water makes about 1 milliliter. And a teaspoon can hold about five milliliters: 1 teaspoon of liquid is about 5 milliliters. Milliliters are often written as ml (for short), so 100 ml means 100 milliliters.
This means that a drop of water, or 1 gtt metric, is equal to 1/20 of a milliliter. However, this is somewhat of an approximation as various factors can influence the exact volume of a drop of water. First of all, it depends where the drop of water is coming from.