kWh to Joules Converter

1 kWh = 3,600,000 joules = 3.6 megajoules (MJ). An average home uses about 10–30 kWh per day.

kWh is practical for utility billing. 1 kWh = the energy from a 1 kW appliance running for 1 hour.

Typically $0.10–0.20 per kWh in developed countries, depending on region and market. Check your local utility rate.