How to Convert Milligrams to Micrograms

Written by mark kennan
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How to Convert Milligrams to Micrograms
Most scales do not measure mass as small as a microgram or milligram. (Jupiterimages/Brand X Pictures/Getty Images)

Micrograms, abbreviated mcg, and milligrams, abbreviate mg, measure very small units of mass in the metric system. The gram is the basic mass unit in the metric system and "micro-" and "milli-" are prefixes that denote the size of the units. "Milli-" represents 0.001 and "micro-" represents 0.000001, meaning there are 1,000 micrograms per milligram.

Skill level:
Moderately Easy

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  1. 1

    Divide the number of milligrams by 0.001 to convert to micrograms. For example, if you have 34 milligrams, divide 34 by 0.001 to get 34,000 micrograms.

  2. 2

    Multiply the number of milligrams by 1,000 as an alternate method to convert to micrograms. In this example, multiply 34 by 1,000 to get 34,000 micrograms.

  3. 3

    Double-check your milligrams to micrograms conversion with an online converter. Enter the number of milligrams, press "Go" and the number of micrograms will be displayed.

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