A milliwatt is one thousandth of a watt and measures low power levels in electrical and optical devices.

How many kilowatts are in a milliwatt?

One milliwatt equals 0.000001 kilowatts.

When should I use this conversion?

Use it to convert small power measurements from electronic or radio-frequency devices to larger kilowatt units for broader electrical analysis.

How to Convert from Milliwatt [mW] to Kilowatt [kW]?

Learn how to convert power measurements from milliwatts to kilowatts using a simple conversion factor. This guide covers the usage, formula, and practical examples.

Milliwatt [mW]

Kilowatt [kW]

Please check your input. It must be a valid numeric value.

Milliwatt [mW] to Kilowatt [kW] Conversion Table

Milliwatt [mW]	Kilowatt [kW]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Milliwatt [mW] to Kilowatt [kW] Conversion Table
Milliwatt [mW]	Kilowatt [kW]

Explore More Power Units Converter

What Is This Tool?

This unit converter changes power values from milliwatts, which measure very low power levels common in small electronic and optical devices, into kilowatts, which represent larger power scales used for electrical appliances and systems.

How to Use This Tool?

Enter the power value in milliwatts (mW) you want to convert
Select milliwatt as the input unit and kilowatt as the output unit
Use the provided formula or conversion rate to get the result
View the converted value displayed in kilowatts (kW)

Key Features

Converts power units from milliwatt (mW) to kilowatt (kW) efficiently
Provides definitions and typical use cases for both units
Includes example conversions for quick reference
Browser-based and easy to use for engineering and technical needs

Examples

Convert 500 milliwatts to kilowatts resulting in 0.0005 kilowatts
Convert 2000 milliwatts to kilowatts resulting in 0.002 kilowatts

Common Use Cases

Evaluating power consumption of small electronic components like LEDs and sensors
Determining output power in audio and portable devices
Calculating optical and RF power for laser diodes and Bluetooth transmitters
Scaling low power measurements to kilowatt levels for electrical systems analysis
Assessing power ratings of household appliances and renewable energy equipment

Tips & Best Practices

Double-check unit selections before conversion to ensure accuracy
Use this conversion mainly for low power values appropriate to milliwatts
Consider precision needs when working with very small decimal values
Apply the tool in design, engineering, and energy consumption assessments

Limitations

Very small numbers result from the conversion due to scale differences
Not suitable for converting high-power industrial values from milliwatts
Requires careful calculation to maintain accuracy given the precision involved

Frequently Asked Questions

What is a milliwatt?: A milliwatt is one thousandth of a watt and measures low power levels in electrical and optical devices.
How many kilowatts are in a milliwatt?: One milliwatt equals 0.000001 kilowatts.
When should I use this conversion?: Use it to convert small power measurements from electronic or radio-frequency devices to larger kilowatt units for broader electrical analysis.

Key Terminology

Milliwatt [mW]: A unit of power equal to one thousandth of a watt, commonly used for small electronic and optical power measurements.
Kilowatt [kW]: A unit of power equal to one thousand watts, used for measuring larger continuous power outputs such as household appliances and energy systems.
Power Conversion: The process of converting a power measurement from one unit to another, such as from milliwatts to kilowatts, using a defined conversion rate.

Quick Knowledge Check

What does a milliwatt measure?

High power outputs of engines

Low power levels of electronic devices

Thermal energy of large systems

How many kilowatts equal one milliwatt?

0.001

0.000001

Which is a typical use case for converting milliwatts to kilowatts?

Analyzing power of small sensors in electronics

Measuring heat output of furnaces

Estimating fuel consumption in vehicles

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