Watt-hour (Wh)

A watt-hour (Wh) is the energy of one watt sustained for one hour, equal to 3,600 joules. Watt-hours measure battery capacity (smartphone: 10-15 Wh, laptop: 50-100 Wh) and small appliance energy use. One Wh equals 3.6 kilojoules.

Convert From Watt-hours

Wh to joules Watt-hour to Kilojoule Watt-hour to Megajoule Watt-hour to Gigajoule Wh to kWh Watt-hour to Megawatt-hour Watt-hour to Calorie Watt-hour to Kilocalorie Watt-hour to British Thermal Unit Watt-hour to Therm Watt-hour to Electronvolt Watt-hour to Kiloelectronvolt Watt-hour to Megaelectronvolt Watt-hour to Erg Watt-hour to Foot-pound

Convert To Watt-hours

joules to Wh Kilojoule to Watt-hour Megajoule to Watt-hour Gigajoule to Watt-hour kWh to Wh Megawatt-hour to Watt-hour Calorie to Watt-hour Kilocalorie to Watt-hour British Thermal Unit to Watt-hour Therm to Watt-hour Electronvolt to Watt-hour Kiloelectronvolt to Watt-hour Megaelectronvolt to Watt-hour Erg to Watt-hour Foot-pound to Watt-hour

Conversion Factors

1 Wh 3600 J

1 Wh 3.6 kJ

1 Wh 0.0036 MJ

1 Wh 3.6e-6 GJ

1 Wh 0.001 kWh

1 Wh 1e-6 MWh

1 Wh 860.4206501 cal

1 Wh 0.8604206501 kcal

1 Wh 3.4121416331 BTU

1 Wh 3.4121416331e-5 therm

1 Wh 2.2469432668e22 eV

1 Wh 2.2469432668e19 keV

1 Wh 2.2469432668e16 MeV

1 Wh 36000000000 erg

1 Wh 2655.2237375 ft·lb

Related Units

Joule (J) Kilojoule (kJ) Megajoule (MJ) Gigajoule (GJ) Kilowatt-hour (kWh) Megawatt-hour (MWh) Calorie (cal) Kilocalorie (kcal) British Thermal Unit (BTU) Therm (therm) Electronvolt (eV) Kiloelectronvolt (keV) Megaelectronvolt (MeV) Erg (erg) Foot-pound (ft·lb)