Energy Converter (Joules, kWh, BTU)

Joules, kilowatt-hours, and BTU

Edit any field; the others stay in sync. For food labelling energy (kJ and kcal), use Nutritional Energy on the Health hub.

Joules (J)

Kilowatt-hours (kWh)

BTU (IT)

1 kWh = 3,600,000 J. 1 BTU (IT) = 1,055.05585262 J (international table BTU).