ganak.appMg to Mcg Converter
Convert milligrams to micrograms (mcg/μg) instantly. Free mg to mcg converter with quick reference table and formula. 1 mg = 1000 mcg.
1,000
Microgram (μg)
Input Value
1 mg (Milligram)
1/1000 of a gram. Used in medicine and for very small quantities.
How to Convert Milligram to Microgram
Simple formula with a worked example
To convert milligram (mg) to microgram (μg), use this formula:
mcg = mg × 1000Example: Convert 5 mg to μg
5 mg = 5,000 μgTo convert back, use: mg = mcg ÷ 1000
Milligram to Microgram Conversion Table
Quick reference for common milligram to microgram conversions
| Milligram (mg) | Microgram (μg) |
|---|---|
| 1 mg | 1,000 μg |
| 2 mg | 2,000 μg |
| 5 mg | 5,000 μg |
| 10 mg | 10,000 μg |
| 25 mg | 25,000 μg |
| 50 mg | 50,000 μg |
| 100 mg | 100,000 μg |
| 250 mg | 250,000 μg |
| 500 mg | 500,000 μg |
| 1,000 mg | 1,000,000 μg |
About Milligram and Microgram
Understanding these weight units
Milligram (mg)
1/1000 of a gram. Used in medicine and for very small quantities.
Microgram (μg)
One millionth of a gram. Used for vitamins and trace elements.
When You Need This Conversion
- medication dosage precision
- vitamin conversions
- lab measurements
- pharmacology
Frequently Asked Questions
Common questions about converting milligram to microgram
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Last updated Mar 21, 2026