Power Converter

Convert between watts and other practical power units.

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Related Conversions
1 GW to mW 5 GW to mW 20 GW to mW 25 GW to mW 144 GW to mW 162 GW to mW 198 GW to mW 288 GW to mW 432 GW to mW 500 GW to mW 750 GW to mW 3,600 GW to mW
Reverse Conversions
1 mW to GW 20 mW to GW 25 mW to GW 150 mW to GW 198 mW to GW 216 mW to GW 250 mW to GW 288 mW to GW 500 mW to GW 720 mW to GW 1,000 mW to GW 3,600 mW to GW
More Power Conversions
1 BTU/h to W 1 kW to hp 5 kW to hp 60 W to BTU/h 100 hp to kW 750 W to BTU/h 750 hp to kW 1,000 kW to hp 4,000 hp to kW 12,000 BTU/h to kW 60,000 BTU/h to kW 100,000 W to BTU/h

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Common Benchmarks

Laptop charger 65 W
Desktop PC 300 W
Car engine 100 hp
Phone fast charge 30 W
Refrigerator average 150 W
Microwave 1000 W

Formula

MW = GW × 1000

Example

Example: convert 180 gigawatts to megawatts.

180 GW = 180000 MW

Conversion table

gigawatts (GW) megawatts (MW)
1 GW 1000 MW
2 GW 2000 MW
5 GW 5000 MW
10 GW 10000 MW
20 GW 20000 MW
50 GW 50000 MW
100 GW 100000 MW

Explanation

These are both units.

How to convert gigawatts to megawatts

  1. Start with the value in gigawatts (GW).
  2. Multiply it by 1000.
  3. The result is the measurement in megawatts (MW).

Example: 180 GW → 180000 MW

Frequently Asked Questions

How much is 180 gigawatts in megawatts?

180 gigawatts equals 180000 megawatts.

How many megawatts is 1 gigawatt?

1 gigawatt equals 1000 megawatts.

How many gigawatts is 1 megawatt?

1 megawatt equals 0.001 gigawatts.

What is the difference between gigawatts and megawatts?

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 gigawatts and megawatts 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 gigawatt equal 1000 megawatts?

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