Microwatt to Milliwatt Converter
Convert Microwatt (µW) to Milliwatt (mW) instantly. 1 µW = 0.001 mW.
Power Converter
22 units available
1 µW = 0.001 mW
Formula:
mW = µW × 0.001With your value: 1 µW = 0.001 mW
How big is that?
Everyday references on a logarithmic scale, all expressed in microwatt so you can sanity-check the result.
Other Microwatt to Milliwatt conversions
Microwatt to Milliwatt Conversion Table
| Microwatt (µW) | Milliwatt (mW) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
Milliwatt to Microwatt Conversion Table
| Milliwatt (mW) | Microwatt (µW) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Microwatt (µW)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Milliwatt (mW)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Microwatt to Milliwatt
To convert from Microwatt (µW) to Milliwatt (mW), multiply the value by 0.001.
Formula: mW = µW × 0.001
Reverse: µW = mW × 1,000
Step-by-Step Example
- Start with your value in Microwatt. For example: 5 µW
- Multiply by the conversion factor: 5 x 0.001
- The result is: 0.005 mW
About Microwatt
The microwatt (µW) is a unit of power. One microwatt equals 1.000000 × 10^-6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: power calculations, engineering and science, education.
About Milliwatt
The milliwatt (mW) is a unit of power. One milliwatt equals 0.001 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: power calculations, engineering and science, education.
Frequently Asked Questions
How many Milliwatt are in 1 Microwatt?
There are exactly 0.001 Milliwatt in 1 Microwatt. This means the conversion factor from Microwatt to Milliwatt is 0.001.
What is the formula to convert Microwatt to Milliwatt?
The formula to convert Microwatt to Milliwatt is: mW = µW × 0.001. For example, to convert 10 Microwatt to Milliwatt, you would multiply 10 by 0.001.
What is a Microwatt?
The microwatt (µW) is a unit of power. One microwatt equals 1.000000 × 10^-6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Milliwatt?
The milliwatt (mW) is a unit of power. One milliwatt equals 0.001 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Microwatt?
The Microwatt is commonly used in power calculations, engineering and science, education.
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Cite this page
UnitConvertLab. (2026). Microwatt to Milliwatt converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/microwatt-to-milliwatt