Convert watt to gigawatt
Enter the value to convert from watt to gigawatt.
How to Convert Watt to Gigawatt
Converting watt to gigawatt is straightforward using our conversion calculator.
Conversion Formula
GW = W ÷ 1000000000Reverse conversion: Convert gigawatt to watt
Comparison: Watt vs Gigawatt
When to Use Each Unit
Watt: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.
Gigawatt: Used for national power capacity, major power plants, and large-scale renewable energy projects.
Common Conversion Values
- 1000 W = 1 kW
- 1 W ≈ 0.00134 hp
- 1 W ≈ 3.41 BTU/h
- 1 W ≈ 0.239 cal/s
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
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