Power Converter

Convert between watts and other practical power units.

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Related Conversions
2 mW to GW 5 mW to GW 20 mW to GW 50 mW to GW 100 mW to GW 150 mW to GW 178 mW to GW 200 mW to GW 238 mW to GW 317 mW to GW 475 mW to GW 792 mW to GW
Reverse Conversions
1 GW to mW 20 GW to mW 75 GW to mW 150 GW to mW 200 GW to mW 238 GW to mW 396 GW to mW 500 GW to mW 750 GW to mW 1,000 GW to mW 1,980 GW to mW 3,960 GW to mW
More Power Conversions
5 kW to hp 10 MW to kW 750 hp to kW 1,000 W to BTU/h 1,000 hp to kW 1,000 kW to hp 1,500 W to BTU/h 3,000 hp to kW 12,000 BTU/h to kW 18,000 BTU/h to kW 24,000 BTU/h to kW 100,000 W to BTU/h

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Common Benchmarks

Laptop charger 65 W
Refrigerator average 150 W
E-bike motor 500 W
Electric kettle 1500 W
LED bulb 10 W
Desktop PC 300 W

Formula

GW = MW × 0.001

Example

Example: convert 198 megawatts to gigawatts.

198 MW = 0.198 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: 198 MW → 0.198 GW

Frequently Asked Questions

How much is 198 megawatts in gigawatts?

198 megawatts equals 0.198 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.