Quick Pharmaceutical Metric Conversion Chart & Table

  • Pharmaceutical Medication Conversion
  • List of simple approximate and exact metric equivalencies
  • Conversion in Weight, Liquid, and Others.
CONVERSION TABLE
WEIGHT MEASURE
Apothecary Approximate Metric Equivalent Exact Metric Equivalent
1 grain 60mg 64.8 mg
1/2 grain 30 mg 32.4 mg
1/4 grain 15 mg 16.2 mg
LIQUID MEASURE
Apothecary Approximate Metric Equivalent Exact Metric Equivalent
1 teaspoonful 5 ml 5 ml
1 tablespoonful 15 ml 15 ml
1 fluid ounce (1 fl) 30 ml 29.57 ml
4 fluid ounces 120 ml 118.28 ml
8 fluid ounces 240 ml 236.56 ml
16 fluid ounces 480 ml 473 ml
2 pints (1 quart) 960 ml 946 ml
4 quarts 3840 ml 3784 ml
OTHER MEASURE
1 gram (gm) 1000 milligrams (mg)
1 milligram (mg) 1000 micrograms (mcg)
750 mgs 10 milliequivalents (mEq)
EQUIVALENT CONVERSION
Non-Metric Approximate Metric Equivalent Exact Metric Equivalent
1 pound (lb) 0.454 kilogram (kg) 0.454 kilogram (kg)
16 ounces (oz) 0.454 kilogram (kg) 0.454 kilogram (kg)
2.2 pound (lb) 1kilogram (kg) 1kilogram (kg)

 

Liquid Examples

Basic equivalent: 1 fluid ounce = 30 ml
1 gallon 3800 mL
1 quart 960 mL
8 fluid ounce >240 mL
4 fluid ounce 120 mL
15 minims 1 mL
10 minims 0.6 mL
1 gallon 128 fluid ounces
1 quart 32 fluid ounces

 

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