1 mg = 1000 μg
1 Milligram (mg) = 1000 Microgram (μg).
If you want to reverse convert, use Microgram → Milligram. 1 μg = 0.001 mg. You can also explore the full Mass converter page for more cross conversions.
Conversion formula
Milligram to Microgram formula: value in μg = value in mg × 1000.
Microgram to Milligram formula: value in mg = value in μg × 0.001.
How to convert Milligram to Microgram
To convert Milligram to Microgram, multiply the value in mg by 1000. This gives the result in μg.
For example, 1 mg = 1000 μg and 10 mg = 10000 μg.
What is Milligram?
Milligram (mg): Describes small masses such as laboratory samples; a thousand times smaller than a gram. 1 mg = 0.001 g.
What is Microgram?
Microgram (μg): For very small quantities of matter. Do not confuse its μ symbol with milligrams. 1 μg = 0.001 mg.
FAQ
How many microgram are in 1 milligram?
There are 1000 μg in 1 mg.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert milligram to microgram?
Multiply the value in mg by 1000 to get the value in μg.
Milligram → other Mass units
- 1 milligram = 1.0E-6 kilogram
- 1 milligram = 1.0E-9 metric ton
- 1 milligram → gram = 0.001 gram
- 1 milligram → microgram = 1000 microgram
- 1 milligram = 1.0E-8 quintal
- 1 milligram = 2.2046226218488E-6 pound
- 1 milligram → ounce = 3.5273961980687E-5 ounce
- 1 milligram → grain = 0.015432358352941 grain
- 1 milligram = 1.5747304441777E-7 stone
- 1 milligram = 9.8420652644867E-10 long ton
- 1 milligram → carat = 0.005 carat
- 1 milligram = 1.1023113109244E-9 short ton
Milligram → Microgram Table
The table below shows common values from Milligram to Microgram and the reverse direction for quick reference.
| mg | μg | Rounded |
|---|---|---|
| 1 mg | 1000 μg | 1000.0000 |
| 2 mg | 2000 μg | 2000.0000 |
| 3 mg | 3000 μg | 3000.0000 |
| 4 mg | 4000 μg | 4000.0000 |
| 5 mg | 5000 μg | 5000.0000 |
| 10 mg | 10000 μg | 10000.0000 |
| 12 mg | 12000 μg | 12000.0000 |
| 15 mg | 15000 μg | 15000.0000 |
| 20 mg | 20000 μg | 20000.0000 |
| 25 mg | 25000 μg | 25000.0000 |
| 30 mg | 30000 μg | 30000.0000 |
| 40 mg | 40000 μg | 40000.0000 |
| 50 mg | 50000 μg | 50000.0000 |
| 75 mg | 75000 μg | 75000.0000 |
| 100 mg | 100000 μg | 100000.0000 |
| 200 mg | 200000 μg | 200000.0000 |
| 250 mg | 250000 μg | 250000.0000 |
| 500 mg | 500000 μg | 500000.0000 |
| 750 mg | 750000 μg | 750000.0000 |
| 1000 mg | 1000000 μg | 1000000.0000 |
| 2500 mg | 2500000 μg | 2500000.0000 |
| 5000 mg | 5000000 μg | 5000000.0000 |
| 10000 mg | 10000000 μg | 10000000.0000 |
Microgram → Milligram Table
| μg | mg | Rounded |
|---|---|---|
| 1 μg | 0.001 mg | 0.0010 |
| 2 μg | 0.002 mg | 0.0020 |
| 3 μg | 0.003 mg | 0.0030 |
| 4 μg | 0.004 mg | 0.0040 |
| 5 μg | 0.005 mg | 0.0050 |
| 10 μg | 0.01 mg | 0.0100 |
| 12 μg | 0.012 mg | 0.0120 |
| 15 μg | 0.015 mg | 0.0150 |
| 20 μg | 0.02 mg | 0.0200 |
| 25 μg | 0.025 mg | 0.0250 |
| 30 μg | 0.03 mg | 0.0300 |
| 40 μg | 0.04 mg | 0.0400 |
| 50 μg | 0.05 mg | 0.0500 |
| 75 μg | 0.075 mg | 0.0750 |
| 100 μg | 0.1 mg | 0.1000 |
| 200 μg | 0.2 mg | 0.2000 |
| 250 μg | 0.25 mg | 0.2500 |
| 500 μg | 0.5 mg | 0.5000 |
| 750 μg | 0.75 mg | 0.7500 |
| 1000 μg | 1 mg | 1.0000 |
| 2500 μg | 2.5 mg | 2.5000 |
| 5000 μg | 5 mg | 5.0000 |
| 10000 μg | 10 mg | 10.0000 |
Microgram → Milligram
The reverse value is 1 μg = 0.001 mg.