Online calculator to convert milliwatts to kilowatts (mW to kW) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Power or Electricity units.
Conversion Calculator
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Convert milliwatts to kilowatts
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Conversion Definitions
The following is a list of definitions relating to conversions between millwatts and kilowatts.
What is a milliwatt (mW)?
A milliwatt is a unit of power in the International System of Units (SI). The symbol for milliwatt is mW. There are 1,000,000 milliwatts in a kilowatt.
What is a kilowatt (kW)?
A kilowatt is a unit of power in the International System of Units (SI). The symbol for kilowatt is kW. There are 0.000001 kilowatts in a milliwatt.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from milliwatts to kilowatts is:
kilowatts = milliwatts ÷ 1,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from milliwatts to kilowatts (mW to kW).
Milliwatt to Kilowatt Conversion Example
Task: Convert 45,000 milliwatts to kilowatts (show work) Formula: milliwatts ÷ 1,000,000 = kilowatts Calculations: 45,000 milliwatts ÷ 1,000,000 = 0.045 kilowatts Result: 45,000 milliwatts is equal to 0.045 kilowatts
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from milliwatts to kilowatts.
Milliwatts to Kilowatts Conversion Chart
| milliwatts (mW) | kilowatts (kW) |
|---|---|
| 1 mW | 0.000001 kW |
| 2 mW | 0.000002 kW |
| 3 mW | 0.000003 kW |
| 4 mW | 0.000004 kW |
| 5 mW | 0.000005 kW |
| 6 mW | 0.000006 kW |
| 7 mW | 0.000007 kW |
| 8 mW | 0.000008 kW |
| 9 mW | 0.000009 kW |
| 10 mW | 0.00001 kW |
| 20 mW | 0.00002 kW |
| 30 mW | 0.00003 kW |
| 40 mW | 0.00004 kW |
| 50 mW | 0.00005 kW |
| 75 mW | 0.000075 kW |
| 100 mW | 0.0001 kW |
| 250 mW | 0.00025 kW |
| 500 mW | 0.0005 kW |
| 750 mW | 0.00075 kW |
| 1,000 mW | 0.001 kW |
| 2,500 mW | 0.0025 kW |
| 5,000 mW | 0.005 kW |
| 7,500 mW | 0.0075 kW |
| 10,000 mW | 0.01 kW |
| 25,000 mW | 0.025 kW |
| 50,000 mW | 0.05 kW |
| 75,000 mW | 0.075 kW |
| 100,000 mW | 0.1 kW |
| 250,000 mW | 0.25 kW |
Related Units
The following tables provides a summary of the Power or Electricity units within their respective measurement systems.
Electric Current Units
| Unit | Symbol | Measurement System |
|---|---|---|
| milliamperes ("milliamps") | mA | International System of Units (SI) |
| amperes ("amps") | A | International System of Units (SI) |
Electric Potential Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanovolts | nV | International System of Units (SI) |
| millivolts | mV | International System of Units (SI) |
| volts | V | International System of Units (SI) |
| kilovolts | kV | International System of Units (SI) |
Power Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanowatts | nW | International System of Units (SI) |
| microwatts | μW | International System of Units (SI) |
| milliwatts | mW | International System of Units (SI) |
| watts | W | International System of Units (SI) |
| decawatts | daW | International System of Units (SI) |
| hectowatts | hW | International System of Units (SI) |
| kilowatts | kW | International System of Units (SI) |
| megawatts | MW | International System of Units (SI) |
| gigawatts | GW | International System of Units (SI) |
| terawatts | TW | International System of Units (SI) |
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