Common Weights & Measures Used By Pharmacy Technicians

 

 

Weight Still

1Kg. = 2.2 lbs.

1 lb. = 454 Gm.

1oz. = 30 Gm.

1gr. = 65 mg.


Liquid Measure

1,000 ml. = 1 Liter

1 fluid oz. = 30 ml.

1 pint = 480 ml.

1 Gallon = 4,000 ml.


Metric Table of Weights

1 gram = 1,000 milligrams

1 milligram = 0.001 gram

1 kilogram = 1000 grams

1 microgram = 0.001 milligram


Metric Table of Liquid Measures

1 liter = 1,000 milliliters

1 milliliter = 0.001 Liter


Metric Table of Lengths

1 meter = 1000 millimeters

1 meter = 100 centimeters

1 centimeter = 10 millimeters


Apothecary Weights

20 grains = 1 scruple

3 scruples = 1 dram

8 drams = 1 ounce

12 ounces = 1 pound


Apothecary Fluid Measure

60 minims = 1 fluidram

8 fluidram = 1 fluid ounce

16 fluid ounce = 1 pint

2 pints = 1 quart

4 quarts = 1 gallon


Avoirdupois System

Apothecary ounce = 480 grains

Avoirdupois ounce = 437.5 grains

Apothecary pound = 12 oz x 480 grains/ounce = 5760 grains

Avoirdupois pound = 16 oz x 437.5 grains/ounce = 7000 grains


Roman Numerals

I = one

V = five

X = ten

C = one hundred

M = one thousand


Abbreviations

***Weight***

microgram (mcg)

milligram (mg)

gram (g)

kilogram (kg)

***Liquid***

milliliter (ml)

Liter (L)

***Length***

millimeter (mm)

centimeter (cm)

meter (m)


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