What is a Watt-hour (Wh)?
A watt-hour (Wh) is a unit of energy equal to the power of one watt sustained for one hour, or 3,600 joules.
Definition
Symbol
Wh
Category
Energy
System
Metric
1 {unit} = {value} {otherUnit}
1 Watt-hour = 3600 Joule (J)
1 Watt-hour = 3.6 Kilojoule (kJ)
1 Watt-hour = 860.421 Calorie (cal)
1 Watt-hour = 0.860421 Kilocalorie (kcal)
1 Watt-hour = 0.001 Kilowatt-hour (kWh)
Common Uses
- Battery capacity
- Small appliance energy use
- Solar panel output
