Centiwatt is 0.01 watt units.
Centiwatts to Milliwatts Converter — cW to mW
Convert Centiwatt (cW) to Milliwatt (mW) using the exact conversion factor (1 centiwatt = 10 milliwatt). See the formula, worked examples, and conversion table.
Centiwatts to Milliwatts converter
Converter
Power Converter
Convert watts, horsepower, refrigeration tons, BTU per hour, and engineering power units.
Context values
Some unit families need one extra value for a physically accurate result.
Milliwatt is 0.001 watt units.
Result = input x 0.01 / 0.001.
Power uses the watt as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centiwatts to Milliwatts
Centiwatt and Milliwatt both describe power output, and the conversion is a routine part of comparing an engine or motor's spec sheet across countries that use different power units. Specifically: Centiwatt is 0.01 watt units, and milliwatt is 0.001 watt units.
Formula
milliwatts = centiwatts × 10
This factor comes from each unit's defined relationship to the category's base unit: 1 centiwatt equals 0.01 base units, and 1 milliwatt equals 0.001 base units, so dividing one by the other gives the direct centiwatt-to-milliwatt factor of 10.
Simple example
1 cW × 10 = 10 mW
1 centiwatt = 10 milliwatts.
Real-world example
100 cW × 10 = 1,000 mW
100 centiwatts = 1,000 milliwatts.
Conversion table
| Centiwatt (cW) | Milliwatt (mW) |
|---|---|
| 1 cW | 10 mW |
| 10 cW | 100 mW |
| 100 cW | 1,000 mW |
| 500 cW | 5,000 mW |
| 1,000 cW | 10,000 mW |
| 5,000 cW | 50,000 mW |
Reverse conversion: Milliwatt to Centiwatt
10 mW × 0.1 = 1 cW
10 milliwatts = 1 centiwatt.
centiwatts = milliwatts × 0.1
For a page dedicated to this direction, see Milliwatt to Centiwatt.
Understanding the Centiwatt (cW)
Centiwatt is 0.01 watt units.
Understanding the Milliwatt (mW)
Milliwatt is 0.001 watt units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milliwatts are in 1 centiwatt?
1 centiwatt equals 10 milliwatts, using the exact defined conversion factor rather than an estimate.
How do I convert centiwatt to milliwatt?
Multiply the centiwatt value by 10. The converter above does this instantly to whatever precision you set.
How do I convert milliwatt back to centiwatt?
Use the reverse factor: 1 milliwatt equals 0.1 centiwatts. You can also use the swap control in the converter above to flip the direction instantly.
What is a centiwatt?
Centiwatt (cW) is a unit of power.
What is a milliwatt?
Milliwatt (mW) is a unit of power.
Is the centiwatt to milliwatt conversion exact?
Yes. Both centiwatt and milliwatt are defined by fixed standards rather than physical artifacts, so the factor of 10 used above is exact to as many digits as you choose to display.