Systems of measurement. objectives. Apothecary system Metric system Abbreviations. Apothecary systems. Apothecary system is one of the oldest systems of measurement. Uses fractions, as opposed to decimals. Is less accurate than the metric system. Terminology. apothecary system.
household pound = 16 oz
There are actually 3.75 mL in 1 fluidram. However, convention dictates that 1 fluidram = 1 tsp = 5 mL.
There are actually 29.57 mL in 1 fluidounce, but 30 mL is usually used
Many manufacturers use 60 mg instead of 65 mg as the equivalent for 1 grain.
the smallest unit of measure in the apothecary system
Many manufacturers use 60 mg instead of 65 mg as the equivalent for 1 grain. Read the label to confirm the package contents.
16 fl oz = 480
1 fl oz = 30 mL