Energy converter
42 converters — choose what you want to convert from.
Energy units appear on food packaging (kcal and kJ), in electricity bills (kWh), in science (joules), and in fitness apps. Kilocalories are the common everyday standard, while kilojoules are required on European food labels under EU regulation.
Common situations: a food package with kJ values you want in calories, electricity consumption in kWh, or a diet plan with kcal limits.