Convert Watts to Megawatts
Watts to megawatts is the conversion you need when power runs to industrial scale — power plants, data centers, or a solar farm — and watts become an unwieldy pile of zeros. One watt is exactly 0.000001 megawatts, so the number shrinks dramatically when you switch from watts to megawatts.
Watts to Megawatts conversion table
| Watts (W) | Megawatts (MW) |
|---|---|
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 20 | 0.00002 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 500 | 0.0005 |
| 1,000 | 0.001 |
The formula
To convert watts to megawatts, multiply the number of watts by 0.000001 (the same as dividing by 1,000,000):
megawatts = watts × 0.000001
A worked example
Say a facility draws 1,500,000 watts and you want it in megawatts:
1500000 × 0.000001 = 1.5 MW
So 1,500,000 watts is exactly 1.5 megawatts.
Why the number is exact
The "mega" in megawatt means exactly one million — that's the definition, not a measurement. So a megawatt is exactly 1,000,000 watts, which makes one watt exactly 1/1,000,000 of a megawatt, or 0.000001. It's an exact conversion, with nothing lost to rounding.
When you'll use it
Reading the output of power plants, wind and solar farms, or large data centers, sizing grid-scale equipment, and translating a raw wattage into the megawatts that utility and generation figures are quoted in.
Frequently asked questions
How many megawatts are in a watt?
Exactly 0.000001 megawatts. A megawatt is a million watts, so one watt is one millionth of a megawatt — a fixed, exact number, not a rounded one.
How do I turn watts into megawatts?
Divide by 1,000,000, or multiply by 0.000001 — they're the same move. A 1,500,000 W load is 1.5 MW.
Is the watts to megawatts conversion exact?
Yes. 'Mega' means exactly one million, so a watt is exactly 0.000001 megawatts with nothing rounded away.