This video explanation from Pennsylvania College Math Department explains how to convert an order when given a label. It covers all three methods of conversion: nursing formula, dimensional analysis, and proportion. Should you be interested, we've covered the conversion of International units (IU) ...
Vitamin E: 1 IU is the biological equivalent of about 0.67 mg d-alpha-tocopherol, or 0.9 mg of dl-alpha-tocopherol. Example conversion Let's say that I have a soft gel capsule that contains 500 IU of Vitamin A as retinol. To convert this to mcg, using the information above, I would...