🔋 MW to W — Megawatt to Watt Converter

Convert power units — watts, kilowatts, horsepower, BTU/hr.

1 unit =
From
To
Formula 1 MW = 1e+06 W
UnitNameValue
W Watt 1000000
kW Kilowatt 1000
hp Horsepower (mech) 1341.0219
BTU/hr BTU/hr 3412142.5

Quick Answer

Formula: Watt = Megawatt × 1e+06

Multiply any megawatt value by 1e+06 to get watt.

Reverse: Megawatt = Watt × 1.0000e-6

Worked Examples

1 MW
1 MW × 1e+06 = 1e+06 W
Single unit reference.
10 MW
10 MW × 1e+06 = 1e+07 W
10 units.
100 MW
100 MW × 1e+06 = 1e+08 W
100 units.
1000 MW
1000 MW × 1e+06 = 1.0000e9 W
1,000 units.

Megawatt to Watt Conversion Table

Common megawatt values — factor: 1 MW = 1e+06 W

Megawatt (MW)Watt (W)Context
0.001 MW1,000 W1 kW
0.01 MW1e+04 W10 kW
0.1 MW100,000 W100 kW EV charger
1 MW1,000,000 WSmall wind turbine
2 MW2,000,000 W2 MW turbine
10 MW10,000,000 WSmall wind farm
100 MW100,000,000 WLarge wind farm
500 MW500,000,000 WMedium power plant
1,000 MW1.000e+09 WLarge power plant
2,000 MW2.000e+09 WHoover Dam
5,000 MW5.000e+09 WLarge nuclear plant
1e+04 MW1.000e+10 W10 GW grid
100,000 MW1.000e+11 W100 GW grid
1,000,000 MW1.000e+12 W1 TW
1.000e+09 MW1.000e+15 WGlobal capacity fraction

Mental Math Tricks

Exact factor

1 MW = 1e+06 W. Memorize for instant estimates.

Rounded shortcut

Use 1e+06 as a quick mental multiplier.

Reverse check

Multiply result by 1.0000e-6 to recover the original MW value.

Who Uses This Conversion?

Power Plant Operator

Reports generation output and plant capacity in megawatts for grid dispatch.

Renewable Energy Developer

Models wind farm and solar plant capacity and generation in megawatts.

Transmission Engineer

Plans high-voltage transmission line capacity in megawatts.

Energy Trader

Buys and sells power capacity contracts in megawatts on wholesale markets.

Grid Planner

Forecasts regional peak demand and installed capacity requirements in megawatts.

Data Center Developer

Plans large campus power infrastructure rated in tens of megawatts.

Frequently Asked Questions

About Megawatt and Watt

Megawatt (MW)

The megawatt (MW) equals 1,000 kW or 1,000,000 watts, and is the standard unit for power plant output, industrial facilities, and large electrical infrastructure.

Power plants are rated in megawatts: a typical nuclear reactor produces 1,000–1,600 MW; a large wind turbine generates 2–14 MW; utility-scale solar farms range from 10 to 2,000 MW. The capacity of a city's electrical grid is measured in megawatts.

Interesting fact: The Hoover Dam generates about 2,080 MW at full capacity. A single lightning bolt releases about 1,000 MW — but only for about 1 microsecond, so the total energy is relatively small.

Watt (W)

The watt (W) is the SI unit of power, defined as one joule per second. It was named after James Watt, the Scottish inventor whose improvements to the steam engine in the 1760s–1780s powered the Industrial Revolution. The unit was officially adopted by the Second Congress of the British Association for the Advancement of Science in 1882.

Watts define the power consumption of all electrical devices: a phone charger draws 5–20W, a laptop 30–65W, a microwave 800–1200W. Electrical utility systems worldwide are rated and billed based on watts and kilowatts.

Interesting fact: James Watt himself coined the term 'horsepower' to market his steam engines to mine owners — he defined it as the power needed to lift 33,000 pounds one foot in one minute. The watt was named in his honor a century after his death.

About Megawatt to Watt Conversion

Converting megawatt to watt is common across electrical engineering, automotive, and HVAC industries. Different sectors use different power units — watts and kilowatts in electrical systems, horsepower in automotive and industrial machinery, and BTU/hr in heating and cooling — making accurate conversion essential for international equipment specifications and cross-disciplinary engineering.

Quick reference: 5 MW = 5e+06 W and 10 MW = 1e+07 W. Reverse: 1 W = 1.0000e-6 MW. Exact factor: 1 MW = 1e+06 W.

All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.