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How to Convert Mg to Ug

Milligrams and micrograms are metric units of mass or weight. Milligrams (mg) and micrograms (ug) are units smaller than a gram. A milligram is 0.001 gram, i.e., a thousandth of a gram, and a microgram is 0.000001 gram, or a millionth of a gram. One milligram is equivalent to 1,000 micrograms. You can convert milligrams to micrograms through simple multiplication.

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Instructions

- 1
  Write the basic conversion on a piece of paper: 1 mg = 1,000 ug.
- 2
  Multiply both sides of the equation in Step 1 by the number of milligrams you want to convert to micrograms. For example, to convert 3 milligrams, multiply both sides by 3, giving you this equation: (3)(1 mg) = (3)(1,000 ug).
- 3
  Evaluate the equation you wrote in Step 2. Multiplying out both sides gives you: 3 mg = 3,000 ug.
- 4
  Check your answer at an online unit-conversion site. For example, go to the Convert Units "Convert mg to ug" webpage. Enter "3" in the box next to "mg" and press the "Convert!" key. Read the answer in the box below: 3,000 ug.

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