Dosage Calculation Drills

Aspirin tablets are labeled 0.3 gm. How many tablets are needed for a dose of 600 mg? __________

Step 1: Set up the conversion ratios:

600 mg	x	1 tablet	x	1 gm
1	x	0.3 gm	x	1000 mg

Step 2: Cancel like units:

600 mg	x	1 tablet	x	1 gm
1	x	0.3 gm	x	1000 mg

Step 3: Complete the math:

600	x	1 tablet	x	1	=	2 tablets
1		0.3		1000

Read each problem carefully. Write out the dimensional analysis on a sheet of paper.

Click the Answer button when you are ready to check your work.

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Try to work the problems without using a calculator.

David L. Heiserman, Editor