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Megawatts to Watts Converter

Convert megawatt to watt instantly. 1 MW = 1000000 W, worked steps and a full reference table.

Formula
W = MW × 1000000

How to use it

  • Type the value in megawatt — the result updates as you type.
  • Use Swap to flip the direction, or change either dropdown to convert between any two units.
  • Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.

Examples

1 MW1000000 W
5 MW5000000 W
10 MW10000000 W
100 MW100000000 W

One megawatt equals 1000000 watts (W). To convert megawatts to watts, multiply by 1000000; to go back the other way, multiply by 1.0000e-6 instead.

The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.

What megawatts and watts actually measure

Megawatt (MW) — A megawatt is a million watts. Wind turbines, data centres and small power stations.

Watt (W) — The watt is the SI unit of power — one joule per second. Light bulbs, appliances, audio equipment and solar panels.

Megawatts to Watts conversion table

The most common values, worked out in advance. Anything not listed can be typed straight into the converter.

MWW
1 MW1000000 W
2 MW2000000 W
5 MW5000000 W
10 MW10000000 W
25 MW25000000 W
50 MW50000000 W
100 MW100000000 W

How to convert megawatts to watts by hand

Multiply the number of megawatts by 1000000.

For example, 25 MW × 1000000 = 25000000 W.

Going the other way, divide by 1000000 — or multiply by 1.0000e-6, which is the same thing and easier to do in your head.

Everything runs in your browser

There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.

Questions people ask

How many W are in 1 MW?

1 MW equals exactly 1000000 W. Multiply any value in megawatt by 1000000 to get watt.

Is anything uploaded to a server?

No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.

Runs entirely in your browser. Nothing you type is uploaded, logged or shared.

Last updated 18 August 2026