kcal
Kilocalorie
Thermal System

Kilocalorie (kcal)

A kilocalorie (kcal), often written as "Calorie" (capital C) on food labels, equals 1,000 small calories or 4,184 joules. Kilocalories measure food energy. Average adult needs 2,000-2,500 kcal daily. Walking one mile burns about 80-100 kcal.

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Convert To Kilocalories

Conversion Factors

1 kcal 4184 J
1 kcal 4.184 kJ
1 kcal 0.004184 MJ
1 kcal 4.184e-6 GJ
1 kcal 1.1622222222 Wh
1 kcal 0.0011622222 kWh
1 kcal 1.1622222222e-6 MWh
1 kcal 1000 cal
1 kcal 3.9656668314 BTU
1 kcal 3.9656668314e-5 therm
1 kcal 2.6114473968e22 eV
1 kcal 2.6114473968e19 keV
1 kcal 2.6114473968e16 MeV
1 kcal 41840000000 erg
1 kcal 3085.9600326 ft·lb

Related Units