How many teaspoons in 18.5 ml?

Here's how to convert milliliters (ml) to teaspoons (tsp):

* Conversion: 1 teaspoon (tsp) is approximately equal to 5 milliliters (ml).

* Calculation: Divide the volume in milliliters by 5: 18.5 ml / 5 ml/tsp = 3.7 tsp