Pharmacy Metric Conversions

Pharmacy Metric Conversions

Name

Abbreviation (grams)

Equivalent (grams)

1 pico- p 1/1000 ηg
1 nano- ηg (ng) 1000 pg
1 micro- μg  (mcg) 1000 ηg (ng)
1 milli- mg 1000 μg  (mcg)
1 unit G 1000 mg
1 kilo- kg 1000 g

Units of Measure

Measurement

Unit

Abbreviation

Weight Gram g
Volume Liter L
Time Second s

Other Conversions

1 teaspoon (tsp) = 5 mL

1 tablespoon (tbsp) = 3 tsp

1 fluid ounce (fl oz) = 2 tbsp

1 cup = 8 fl oz

1 pint (pt) = 2 cups

1 quart (qt) = 2 pt

1 gallon (gal) = 4 qt

1 pound (lb) = 16 oz

1 fluid dram (fl dr) = 1 tsp

3 fl dr = 1 tbsp

1 cc = 1mL

1 grain (gr) = 0.06479891 grams (approx. 0.065 grams)

28.3495231 grams = 1 oz (approx. 28.35 g = 1 oz)

1 kilogram = 2.20462262 pounds (approx. 2.2 lbs = 1 kg)

Concentration

Unit

Expression

Example

% weight in weight % w/w 1 g in 100 g
% volume in volume % v/v 1 mL in 100 mL
% weight in volume % w/v 1 g in 100 mL
% volume in weight % v/w 1 mL in 100 g