Food calories
Converts kcal↔kJ on nutrition labels (1 kcal=4.184 kJ).
Unit Converter
Conversor de Energía — J, kcal, kWh, cal
Convierte julios, kJ, calorías y vatios-hora al instante.
Convertido a
J4,184
kJ4.184
cal1,000
kcal1
Wh1.162
kWh0.001
What is the energy converter?
It converts between joules (J), kJ, calories (cal, kcal), and watt-hours (Wh, kWh). Useful for food labels (kcal↔kJ) and electricity use (kWh).
How to use
- 1 Enter the value to convert.
- 2 Choose the source unit (e.g. kcal).
- 3 Read the converted results in every unit.
Highlights
Electricity
Convert Wh/kWh for energy usage.
Instant
Results update as you type.
Preguntas frecuentes
How many kJ in a kcal?+
1 kcal = 4.184 kJ, often shown together on nutrition labels.
How many kJ in a kWh?+
1 kWh = 3600 kJ = 3,600,000 J.
Food calorie vs cal?+
A food 'calorie' usually means 1 kcal (=1000 cal).
Related converters
Food 'calories' usually mean kcal (=1000 cal). For general reference.