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Kilowatt to Milliwatt

Convert Kilowatt to Milliwatt and get the exact value instantly.

About this conversion

To convert Kilowatt to Milliwatt, multiply the number of Kilowatt by 1000000.

Power is measured in watts, kilowatts or horsepower, so comparing an engine, a motor and an appliance usually means converting to one shared unit first.

Conversion table

Kilowatt (kW)Milliwatt (mW)
1 kW1000000 mW
2 kW2000000 mW
5 kW5000000 mW
10 kW10000000 mW
100 kW100000000 mW

How to use this converter

  1. Enter your Kilowatt value

    Type any number into the Kilowatt field. It starts at 1 so you can read the rate straight away.

  2. Read the Milliwatt result

    The amount in Milliwatt updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Milliwatt are in one Kilowatt?
One Kilowatt equals 1000000 mW. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Kilowatt to Milliwatt conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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