Systems of Medication Measurement
Metric system: Most commonly used and convenient system. Basic units of measurements are metre, litre and gram.
Apothecary system: Infrequently used and basic unit of measurements are grain, minim.
Household system: Least accurate and used only in houses. Basic units of measurements are teaspoon, tablespoon.
Conversion within systems:
1g = 1000mg, 1L = 1000ml