Calories (cal) to kilojoules (kJ), energy conversion calculator and how to convert.
Select calorie unit type, enter the energy in calories and press the Convert button:
A small calorie is the energy required to raise 1 gram of water by 1°C at a pressure of 1 atmosphere.
Large Calorie (cal) is the energy required to raise 1 kg of water by 1 degree Celsius at a pressure of 1 atmosphere.
Large calorie is also called food calorie and is used as a unit of food energy.
1 calth = 0.004184 kJ
2 calth = 0.008.368 kJ
5 calth = 0.0020.92 kJ
1 kJ = 239.005736 calth
So The energy in kilojoules E(kJ) is equal to the energy in thermochemical calorie E(calth) divided by 239.005736.
E(kJ) = E(calth) / 239.005736
Convert 100 calth to kilojoules.
E(kJ) = 100calth / 239.005736 = 0.4184 kJ
Convert 1000 calth to kilojoules.
E(kJ) = 1000calth / 239.005736 = 4.184 kJ
Convert 10000 calth to kilojoules.
E(kJ) = 10000calth / 239.005736 = 41.84 kJ
1 cal15 = 0.0041855 kJ
2 cal15 = 0.008371 kJ
5 cal15 = 0.0209275 kJ
1 kJ = 238.9201 cal15
So The energy in kilojoules E(kJ) at 15 °C is equal to the energy in calorie e E(cal15) divided by 238.9201.
E(kJ) = E(cal15) / 238.9201
Convert 100 cal15 to kilojoules.
E(kJ) = 100cal15 / 238.9201 = 0.41855 kJ
Convert 1000 cal15 to kilojoules.
E(kJ) = 1000cal15 / 238.9201 = 4.1855 kJ
Convert 10000 cal15 to kilojoules.
E(kJ) = 10000cal15 / 238.9201 = 41.855 kJ
1 Cal = 4.184 kJ
2 Cal = 8.368 kJ
5 Cal = 20.92 kJ
1 kJ = 0.239 Cal
So The energy in kilojoules E(kJ) is equal to 4184 times the energy in large/food calories E(Cal).
E(kJ) = 4.184 × E(calth)
Convert 1.1 Cal to kilojoules.
E(kJ) = 4.184 × 1.1 Cal = 4.6024 kJ
Convert 2.5 Cal to kilojoules.
E(kJ) = 4.184 × 2.5 Cal = 10.46 kJ
Convert 3 Cal to kilojoules.
E(kJ) = 4.184 × 3 Cal = 12.552 kJ
Calories | Kilojoules |
---|---|
1 cal | 0.004184 kJ |
2 cal | 0.008368 kJ |
3 cal | 0.012552 kJ |
4 cal | 0.016736 kJ |
5 cal | 0.02092 kJ |
6 cal | 0.025104 kJ |
7 cal | 0.029288 kJ |
8 cal | 0.033472 kJ |
9 cal | 0.037656 kJ |
10 cal | 0.04184 kJ |
20 cal | 0.08368 kJ |
30 cal | 0.12552 kJ |
40 cal | 0.16736 kJ |
50 cal | 0.2092 kJ |
60 cal | 0.25104 kJ |
70 cal | 0.29288 kJ |
80 cal | 0.33472 kJ |
90 cal | 0.37656 kJ |
100 cal | 0.4184 kJ |
200 cal | 0.8368 kJ |
300 cal | 1.2552 kJ |
400 cal | 1.6736 kJ |
500 cal | 2.092 kJ |
600 cal | 2.5104 kJ |
700 cal | 2.9288 kJ |
800 cal | 3.3472 kJ |
900 cal | 3.7656 kJ |
1,000 cal | 4.184 kJ |
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