Energy converter

8 energy units, SI base unit: joule. Every pair below has a dedicated page with the exact factor and a converter.

Units in this category

Joule (J)Kilojoule (kJ)Calorie (thermochemical) (cal)Kilocalorie (food calorie) (kcal)Watt hour (Wh)Kilowatt hour (kWh)Electronvolt (eV)British thermal unit (IT) (BTU)

All energy conversions

J to kJ J to cal J to kcal J to Wh J to kWh J to eV J to BTU kJ to J kJ to cal kJ to kcal kJ to Wh kJ to kWh kJ to eV kJ to BTU cal to J cal to kJ cal to kcal cal to Wh cal to kWh cal to eV cal to BTU kcal to J kcal to kJ kcal to cal kcal to Wh kcal to kWh kcal to eV kcal to BTU Wh to J Wh to kJ Wh to cal Wh to kcal Wh to kWh Wh to eV Wh to BTU kWh to J kWh to kJ kWh to cal kWh to kcal kWh to Wh kWh to eV kWh to BTU eV to J eV to kJ eV to cal eV to kcal eV to Wh eV to kWh eV to BTU BTU to J BTU to kJ BTU to cal BTU to kcal BTU to Wh BTU to kWh BTU to eV