Power Converter

Convert between watts and other practical power units.

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Related Conversions
10 mW to GW 20 mW to GW 75 mW to GW 100 mW to GW 150 mW to GW 200 mW to GW 500 mW to GW 660 mW to GW 750 mW to GW 1,200 mW to GW 6,000 mW to GW 12,000 mW to GW
Reverse Conversions
1 GW to mW 5 GW to mW 10 GW to mW 50 GW to mW 100 GW to mW 200 GW to mW 480 GW to mW 660 GW to mW 720 GW to mW 750 GW to mW 1,000 GW to mW 12,000 GW to mW
More Power Conversions
1 BTU/h to W 25 kW to hp 100 kW to hp 200 hp to kW 500 kW to hp 750 hp to kW 1,000 BTU/h to W 1,000 W to BTU/h 1,500 W to BTU/h 4,000 hp to kW 10,000 BTU/h to kW 100,000 W to BTU/h

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Common Benchmarks

Laptop charger 65 W
Microwave 1000 W
Hair dryer 1800 W
Desktop PC 300 W
E-bike motor 500 W
Car engine 100 hp

Formula

GW = MW × 0.001

Example

Example: convert 600 megawatts to gigawatts.

600 MW = 0.6 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: 600 MW → 0.6 GW

Frequently Asked Questions

How much is 600 megawatts in gigawatts?

600 megawatts equals 0.6 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.