How to convert energy in joules (J) to calories (cal).
A small calorie (cal) is the energy needed to raise 1 gram of water by 1°C at a pressure of 1 atmosphere.
Large calorie (cal) is the energy needed to raise 1 kg of water by 1 degree Celsius to a pressure of 1 atmosphere.
Large calorie is also called food calorie and is used as a unit of food energy.
1 calth = 4.184 J
The energy in thermochemical calories E(calth)
is equal to the energy in joules E(J)
divided by 4.184:
E(cal) = E(J) / 4.184
Convert 500 joules to thermochemical calories.
E(cal) = 500J / 4.184 = 119.5 calth
Convert 700 joules to thermochemical calories.
E(cal) = 700J / 4.184 = 167.3 calth
Convert 900 joules to thermochemical calories.
E(cal) = 900J / 4.184 = 215.1 calth
1 cal15 = 4.1855 J
The energy in 15°C calories E(cal15) is equal to the energy in joules E(J) divided by 4.1855:
E(cal15) = E(J) / 4.1855
Convert 500 joules to 15°C calories.
E(cal15) = 500J / 4.1855 = 119.460 cal15
Convert 700 joules to 15°C calories.
E(cal15) = 700J / 4.1855 = 167.244 cal15
Convert 900 joules to 15°C calories.
E(cal15) = 900J / 4.1855 = 215.028 cal15
1 Cal = 4.184 kJ = 4184 J
The energy in large/food calories E(Cal) is equal to the energy in joules E(J) divided by 4184:
E(Cal) = E(J) / 4184
Convert 500 joules to food calories.
E(Cal) = 500J / 4184 = 0.1195 Cal
Convert 700 joules to food calories.
E(Cal) = 700J / 4184 = 0.1673 Cal
Convert 900 joules to food calories.
E(Cal) = 900J / 4184 = 0.2151 Cal
Joules to calories conversion calculator ►
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