Convert gigawatt to watt
Enter the value to convert from gigawatt to watt.
How to Convert Gigawatt to Watt
Converting gigawatt to watt is straightforward using our conversion calculator.
Conversion Formula
W = GW × 1000000000Reverse conversion: Convert watt to gigawatt
Comparison: Gigawatt vs Watt
When to Use Each Unit
Gigawatt: Used for national power capacity, major power plants, and large-scale renewable energy projects.
Watt: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.
Common Conversion Values
- 1 GW = 1000 MW
- 1 GW = 1,000,000 kW
- 1 GW ≈ 1.34 million hp
- 1 GW ≈ 3.41 billion BTU/h
About Gigawatt
Definition: The gigawatt (symbol: GW) is equal to one billion watts, used for very large power systems and national grids.
History: Ultra-large scale power measurement for national electrical systems, major power plants, and grid capacity.
Current Use: Used for national power capacity, major power plants, and large-scale renewable energy projects.
Examples: Nuclear plant: 1-4 GW, coal plant: 0.5-3 GW, country peak demand: 20-200 GW, solar farm: 0.1-2 GW
About Watt
Definition: The watt (symbol: W) is the SI unit of power, equal to one joule per second or the rate of energy transfer.
History: Named after Scottish inventor James Watt in 1882. Standardized as SI unit to measure rate of energy consumption or production.
Current Use: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.
Examples: LED bulb: 10W, laptop: 65W, microwave: 1000W, hair dryer: 1500W, electric kettle: 2000W