Power Converter

Convert between watts and other practical power units.

Power
5
Printable Chart
Related Conversions
1 mW to GW 2 mW to GW 10 mW to GW 25 mW to GW 50 mW to GW 75 mW to GW 144 mW to GW 216 mW to GW 288 mW to GW 500 mW to GW 1,000 mW to GW 1,800 mW to GW
Reverse Conversions
1 GW to mW 10 GW to mW 50 GW to mW 75 GW to mW 100 GW to mW 144 GW to mW 162 GW to mW 288 GW to mW 432 GW to mW 500 GW to mW 750 GW to mW 1,000 GW to mW
More Power Conversions
1 kW to hp 50 kW to hp 60 W to BTU/h 150 hp to kW 250 kW to hp 750 W to BTU/h 1,000 BTU/h to W 1,000 hp to kW 5,000 BTU/h to W 48,000 BTU/h to kW 100,000 W to BTU/h 200,000 W to BTU/h

Trending Now

5 kg to pounds Days Until Christmas 26.2 miles to km Business Days Age Calculator Days Until Halloween 1 BTU to kWh Days Until Thanksgiving 1 cup to mL Days Until New Year

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

Refrigerator average 150 W
Laptop charger 65 W
Microwave 1000 W
Toaster 1200 W
Phone fast charge 30 W
E-bike motor 500 W

Formula

GW = MW × 0.001

Example

Example: convert 180 megawatts to gigawatts.

180 MW = 0.18 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: 180 MW → 0.18 GW

Frequently Asked Questions

How much is 180 megawatts in gigawatts?

180 megawatts equals 0.18 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.