About Units

Megajoules: Megajoules (MJ) are equal to 1,000,000 joules. This unit is commonly used to describe large quantities of energy, such as the energy content of fuels, electrical energy, and the energy output of engines.

Kilowatt hours: Kilowatt-hours (kWh) are equal to 1,000 watt-hours. This unit is commonly used for measuring electrical energy consumption, especially in household and industrial contexts. Electric utility companies use kilowatt-hours to measure and bill for energy consumption.