100 Calories to Kilojoules

Convert 100 calories (cal) to kilojoules (kJ) with formulas, examples, and conversion tables.

cal
kJ
100 cal = 0.4184 kJ
Full precision:0.4184 kJ
Step-by-Step Solution

To convert 100 calories to kilojoules, we divide by 239.006 because one kilojoule equals exactly 239.006 calories.

1 kilojoule = 239.006 calories

Since there are 239.006 calories in every kilojoule, we divide our value by this factor:

100 ÷ 239.006 = 0.4184 kilojoules

So 100 calories = 0.4184 kilojoules.

Quick check: 0.4184 × 239.006 = 100 calories

Calories to Kilojoules Conversion Table

CaloriesKilojoules
1 cal0.004184 kJ
2 cal0.008368 kJ
3 cal0.012552 kJ
4 cal0.016736 kJ
5 cal0.02092 kJ
10 cal0.04184 kJ
20 cal0.08368 kJ
50 cal0.2092 kJ
100 cal0.4184 kJ

100 Calories in Other Units

Unit100 cal =
Calories to Joules418.4 J
Calories to Kilojoules0.4184 kJ
Calories to Megajoules0.0004184 MJ
Calories to Gigajoules4.184e-7 GJ
Calories to Watt-hours0.11622 Wh
Calories to Kilowatt-hours0.00011622 kWh
Calories to Megawatt-hours1.1622e-7 MWh
Calories to Kilocalories0.1 kcal
Calories to BTU0.39657 BTU
Calories to Therms0.00000397 therm
Calories to Foot-pounds308.596 ft·lb
Calories to Electronvolts2.6114e+21 eV
Calories to Ergs4184000000 erg

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