Equivalents between Apothecary & Metic Measurements

1. BCC Pharmacy Tech Equivalents between Apothecary & Metic Measurements

2. Historically 2 different systems were used…so we must know both. • Memorize the equivalents • Sometimes conversions across systems is required

3. Apothecary Equivalents 1 fl oz = 30 mL 6 fl oz = 180 mL 8 fl oz = 240 mL 16 fl oz or 1 pt = 500 mL 32 fl oz or 1 qt = 1000 mL or 1 L 1 gr =60 or 65 mg 15 gr = 1 g 2.2 lb = 1000 g or 1 kg

4. Example 150 mL equals how many fl oz? 30 mL : 1 fl oz :: _____mL: ____ fl oz

5. Celsius & Fahrenheit Fahrenheit to Celsius Subtract 32 Divide by 1.8 Celsius to Fahrenheit Multiply by 1.8 Add 32

6. Example 100.6 * F equals ____ * C? C : F - 32 :: 5: 9

7. To do… • Memorize the tables of approximate equivalents. • Study forming proportions • Complete worksheet • Check answers • Review, as necessary • Evaluate