Watt-hour (Wh) - Unit Information & Conversion
🔄 Quick Convert Watt-hour
What is a Watt-hour?
Watt-hour (Wh) = 1 watt for 1 hour = 3,600 J. Used for small batteries, power banks. Phone battery: 10-15 Wh. Laptop: 50-100 Wh. 1,000 Wh = 1 kWh. Power tools and portable electronics rated in Wh.
History of the Watt-hour
Standard energy unit used in science, engineering, and industry. Conversion: 1 Wh = 3,600 joules.
Quick Answer
What is Watt-hour? Watt-hour (Wh) = 1 watt for 1 hour = 3,600 J. Used for small batteries, power banks. Phone battery: 10-15 Wh. Laptop: 50-100 Wh. 1,000 Wh = 1 kWh. Power tools and portable electronics rated in Wh. Use our energy converter for instant conversions.
Definition
1 Wh = 3,600 joules (J)
Common Uses
Used in physics, engineering, energy systems, and scientific calculations where this energy scale is appropriate for the application.
Watt-hour Conversion Formulas
To Joule:
To Kilojoule:
To Megajoule:
To Gigajoule:
To Kilowatt-hour:
To Megawatt-hour:
To Calorie:
To Kilocalorie:
To British Thermal Unit:
To Therm:
To Foot-pound:
To Electronvolt:
To Erg:
To Quad:
Frequently Asked Questions
Convert Watt-hour
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