Energy Converter

Result

What is Energy Conversion?

Convert joules, calories, kilowatt-hours, and more.

Supported units: Joule (J), Kilojoule (kJ), Calorie (cal), Kilowatt-Hour (kWh).

Common Conversions

  • 1 Joule (J) = 0.001 Kilojoule (kJ)
  • 1 Joule (J) = 0.239006 Calorie (cal)
  • 1 Kilojoule (kJ) = 1000 Joule (J)
  • 1 Kilojoule (kJ) = 239.006 Calorie (cal)
  • 1 Calorie (cal) = 4.184 Joule (J)
  • 1 Calorie (cal) = 0.004184 Kilojoule (kJ)

FAQ

Q: How many joules in 1 kilowatt-hour?

A: 1 kWh = 3,600,000 joules.

Q: How to convert calories to joules?

A: 1 calorie = 4.184 joules.

Q: How many kilojoules in 1 kilocalorie?

A: 1 kcal = 4.184 kJ.