⚡ Energy Conversion
Joules to kWh Converter
Convert energy between Joules (J) and Kilowatt-hours (kWh).
🔢 Energy Input
Joules
J
1 kWh = 3,600,000 J
🔄 Conversion Direction
Convert to
Convert from Joules to Kilowatt-hours
📊 Additional Units
kWh
kWh
MegaJoules (MJ)
MJ
Calories (cal)
cal
Energy 0
Converted Value
0
J
Joules 0 J
Kilowatt-hours 0 kWh
MegaJoules 0 MJ
Calories 0 cal

📊 Energy Equivalents

Unit Value Equivalent

How the formula works

1 kWh = 3,600,000 J  |  1 MJ = 1,000,000 J  |  1 cal = 4.184 J
  • Joules (J) = SI unit of energy (1 J = 1 N·m)
  • Kilowatt-hour (kWh) = Energy consumed by 1 kW device for 1 hour
  • MegaJoule (MJ) = 1,000,000 Joules
  • Calorie (cal) = Energy to raise 1g of water by 1°C
  • Conversion = Joules ÷ 3,600,000 = kWh
  • Reverse = kWh × 3,600,000 = Joules