Convert energy instantly between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU and other common energy units.
1 kJ = 1,000 J
1 MJ = 1,000 kJ
1 calorie = 4.184 J
1 kilocalorie = 4,184 J
1 Wh = 3,600 J
1 kWh = 3,600,000 J
1 BTU ~ 1,055.06 J
1 ft-lb ~ 1.35582 J
Food calorie note: The "Calorie" shown on food labels is normally a kilocalorie (kcal). Therefore, 1 food Calorie = 1 kcal = 4,184 joules.
Vedicaly's Energy Converter helps you quickly convert energy values between commonly used units such as joules, kilojoules, calories and kilowatt-hours. Enter a value, choose the original unit and target unit, and get the converted energy instantly.
Enter the energy value you want to convert, select the unit you are converting from and then choose the target unit. The converter will automatically calculate the equivalent energy value in the selected unit.
Energy conversion is useful in science, engineering, electricity, nutrition, education and other calculations where energy may be expressed using different units.
One kilojoule is equal to 1,000 joules.
One kilowatt-hour is equal to 3,600,000 joules, or 3.6 megajoules.
One small calorie is approximately equal to 4.184 joules. A dietary Calorie, also called a kilocalorie, is equal to 4,184 joules.
