Power Converter

Convert between watts and other practical power units.

Power
5
Printable Chart
Related Conversions
1 mW to GW 2 mW to GW 5 mW to GW 75 mW to GW 100 mW to GW 150 mW to GW 440 mW to GW 550 mW to GW 660 mW to GW 1,100 mW to GW 2,750 mW to GW 5,500 mW to GW
Reverse Conversions
1 GW to mW 2 GW to mW 5 GW to mW 20 GW to mW 25 GW to mW 220 GW to mW 248 GW to mW 250 GW to mW 303 GW to mW 330 GW to mW 500 GW to mW 1,000 GW to mW
More Power Conversions
1 BTU/h to W 10 kW to hp 25 kW to hp 250 hp to kW 500 W to BTU/h 500 hp to kW 1,000 BTU/h to W 1,000 kW to hp 1,200 W to BTU/h 2,500 hp to kW 24,000 BTU/h to kW 150,000 W to BTU/h

Trending Now

Business Days Temperature Chart Days Until New Year Days Until Thanksgiving 60 mph to km/h Percentage Calculator 200 pounds to kg Days Until Halloween 60 Hz to kHz 98.6 °F to °C Days Until Christmas

Recent Tools

Popular Conversions

Watts to Horsepower Horsepower to Watts Watts to Kilowatts Kilowatts to Watts Kilowatts to Horsepower Horsepower to Kilowatts BTU Per Hour to Watts Watts to BTU Per Hour BTU Per Hour to Kilowatts Kilowatts to BTU Per Hour

Common Benchmarks

Car engine 100 hp
Refrigerator average 150 W
LED bulb 10 W
Hair dryer 1800 W
Electric kettle 1500 W
E-bike motor 500 W

Formula

GW = MW × 0.001

Example

Example: convert 275 megawatts to gigawatts.

275 MW = 0.275 GW

Conversion table

megawatts (MW) gigawatts (GW)
1 MW 0.001 GW
2 MW 0.002 GW
5 MW 0.005 GW
10 MW 0.01 GW
20 MW 0.02 GW
50 MW 0.05 GW
100 MW 0.1 GW

Explanation

These are both units.

How to convert megawatts to gigawatts

  1. Start with the value in megawatts (MW).
  2. Multiply it by 0.001.
  3. The result is the measurement in gigawatts (GW).

Example: 275 MW → 0.275 GW

Frequently Asked Questions

How much is 275 megawatts in gigawatts?

275 megawatts equals 0.275 gigawatts.

How many gigawatts is 1 megawatt?

1 megawatt equals 0.001 gigawatts.

How many megawatts is 1 gigawatt?

1 gigawatt equals 1000 megawatts.

What is the difference between megawatts and gigawatts?

Both measure power, but they are commonly used in different contexts. The watt (W) is the SI unit and is widely used in electrical/device specs, while horsepower (hp) is a traditional unit often used to describe engines and machinery.

Where are megawatts and gigawatts used?

Watts are common in electrical power/consumption (devices, appliances, lighting). Horsepower is commonly used for mechanical power (engines, pumps, compressors, machinery).

Why does 1 megawatt equal 0.001 gigawatts?

Because power units are defined with a fixed relationship, which determines the conversion factor.