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Kilocalorie to Joule

Convert measurements between Kilocalorie and Joule.

Common conversions

100kcal = 418400 J
500kcal = 2.09e+6 J
1000kcal = 4.18e+6 J
2400kcal = 1.00e+7 J
3200kcal = 1.34e+7 J
5500kcal = 2.30e+7 J

Conversion information

1 Kilocalorie = 4,184 Joule

One thousand calories, used in nutrition.
SI unit of energy, equals one newton meter.

Frequently Asked Questions

What is a kilocalorie?
It equals one thousand calories and is the unit used on nutrition labels.
Why is kcal used in nutrition?
Because it better represents the energy in foods in practical amounts.
What is a joule?
It is the basic unit of energy in the International System, equal to the energy transferred when a force of one newton moves an object one meter.
Where is the joule used?
It is used in physics, engineering, and chemistry to measure energy, work, and heat.