Medical Dosage Calculations For Dummies
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As a healthcare professional, you have to convert patient weights, fluid volumes, medication weights, and more. Conversion math isn’t hard to do as long as you know the basic conversion factors. Here are the most useful ones:

  • Converting lb to kg and kg to lb

    lb = kg × 2.2

    kg = lb ÷ 2.2

  • Converting mL to L and L to mL

    mL = L × 1,000

    L = mL ÷ 1,000

  • Converting mg to g, g to mg, mg to mcg, and mcg to mg

    mg = g × 1,000

    g = mg ÷ 1,000

    mcg = mg × 1,000

    mg = mcg ÷ 1,000

About This Article

This article is from the book:

About the book authors:

Dr. Richard W. Snyder, DO is an osteopathic physician, board certified in both internal medicine and nephrology. He has authored and coauthored several articles in peer-reviewed journals.

Barry Schoenborn is a longtime technical writer and is the coauthor of Technical Math For Dummies.

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