Convert Calories to Kilojoules

Enter your calorie value in the form below to get the value calculated in kilojoules.

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Results in Kilojoules:
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1 cal = 0.004184 kJ

How to Convert Calories to Kilojoules

Convert calories to kilojoules with this simple formula:

kilojoules = calories × 0.004184

Converting a calorie energy measurement to a kilojoule measurement involves multiplying the energy by the conversion ratio to find the result. One calorie is equal to 0.004184 kilojoules, so to convert simply multiply by 0.004184.

For example:
5 cal = (5 × 0.004184) = 0.02092 kJ

Calories and kilojoules are both units used to measure energy. Learn more about energy and find more energy measurement conversion calculators. Calories are an energy measurement and can be abbreviated as cal, for example 1 cal. Kilojoules are an SI derived unit of energy and can be abbreviated as kJ, for example 1 kJ.

Convert Kilojoules to Calories

Calorie Measurements and Equivalent Kilojoule Conversions

Common calorie values converted to the equivalent kilojoule value
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
11 cal 0.046024 kJ
12 cal 0.050208 kJ
13 cal 0.054392 kJ
14 cal 0.058576 kJ
15 cal 0.06276 kJ
16 cal 0.066944 kJ
17 cal 0.071128 kJ
18 cal 0.075312 kJ
19 cal 0.079496 kJ
20 cal 0.08368 kJ
21 cal 0.087864 kJ
22 cal 0.092048 kJ
23 cal 0.096232 kJ
24 cal 0.100416 kJ
25 cal 0.1046 kJ
26 cal 0.108784 kJ
27 cal 0.112968 kJ
28 cal 0.117152 kJ
29 cal 0.121336 kJ
30 cal 0.12552 kJ
31 cal 0.129704 kJ
32 cal 0.133888 kJ
33 cal 0.138072 kJ
34 cal 0.142256 kJ
35 cal 0.14644 kJ
36 cal 0.150624 kJ
37 cal 0.154808 kJ
38 cal 0.158992 kJ
39 cal 0.163176 kJ
40 cal 0.16736 kJ

More Calorie Energy Conversions

Joules
Convert to Joules
1 cal is equal to 4.184 joules
Convert to Megajoules
1 cal is equal to 4.184E-6 megajoules
Convert to Gigajoules
1 cal is equal to 4.184E-9 gigajoules
Calories
Convert to Kilocalories
1 cal is equal to 0.001 kilocalories
Convert to Megacalories
1 cal is equal to 1.0E-6 megacalories
Watts x Time
Convert to Watt-hours
1 cal is equal to 0.001162 watt-hours
Convert to Kilowatt-hours
1 cal is equal to 1.1622E-6 kilowatt-hours
Convert to Megawatt-hours
1 cal is equal to 1.1622E-9 megawatt-hours
Convert to Watt-seconds
1 cal is equal to 4.184 watt-seconds
Thermal Units
Convert to British Thermal Units
1 cal is equal to 0.003966 british thermal units
Convert to Million BTU
1 cal is equal to 3.9657E-9 million BTU
Convert to Therms
1 cal is equal to 3.9657E-8 therms
Convert to Quads
1 cal is equal to 3.9657E-18 quads
Electronvolts
Convert to Electronvolts
1 cal is equal to 26,114,000,000,000,000,000 electronvolts
Convert to Kiloelectronvolts
1 cal is equal to 26,114,000,000,000,000 kiloelectronvolts
Convert to Megaelectronvolts
1 cal is equal to 26,114,475,092,200.6 megaelectronvolts