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Milligram to Microgram Converter

Convert Milligram to Microgram instantly — live results with exact conversion factors.

1000 µg

Answer

1 milligram = 1000 micrograms. To convert mg to µg, multiply by 1000.

Quick Reference Table

Milligram (mg) Microgram (µg)
1 1000
2 2000
5 5000
10 10000
20 20000
50 50000
100 100000
250 250000
500 500000
1000 1000000

Formula

Convert Milligram (mg) to Microgram (µg) using the relationship:

µg = mg × 1000

How to Convert

  1. Take the value in milligrams (mg).
  2. Multiply it by 1000 (the conversion factor from mg to µg).
  3. The result is the equivalent value in micrograms (µg).
  4. Example: 1 mg = 1000 µg.

Reverse Conversion

Need it the other direction? Microgram to Milligram conversion.

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FAQ

How many micrograms are in 1 milligram?

1 Milligram equals 1000 micrograms. Multiply by 1000 to convert mg to µg.

What is the formula to convert milligram to microgram?

Multiply the value in milligrams by 1000 to get micrograms. Formula: µg = mg × 1000.

How do I convert milligrams to micrograms easily?

Enter your value in the converter at the top of this page — the micrograms result updates live as you type. You can also multiply by 1000 directly.