1 Kilocalories to Kilojoules

Convert 1 kilocalories (kcal) to kilojoules (kJ) with formulas, examples, and conversion tables.

kcal
kJ
1 kcal = 4.184 kJ
Full precision:4.184 kJ
Step-by-Step Solution

To convert 1 kilocalories to kilojoules, we multiply by 4.184 because one kilocalorie equals exactly 4.184 kilojoules.

1 kilocalorie = 4.184 kilojoules

Since each kilocalorie contains 4.184 kilojoules, we multiply our value by this factor:

1 × 4.184 = 4.184 kilojoules

So 1 kilocalories = 4.184 kilojoules.

Quick check: 4.184 ÷ 4.184 = 1 kilocalories

Kilocalories to Kilojoules Conversion Table

KilocaloriesKilojoules
1 kcal4.184 kJ
2 kcal8.368 kJ
3 kcal12.552 kJ
4 kcal16.736 kJ
5 kcal20.92 kJ
10 kcal41.84 kJ
20 kcal83.68 kJ
50 kcal209.2 kJ
100 kcal418.4 kJ

1 Kilocalories in Other Units

Unit1 kcal =
Kilocalories to Joules4184 J
Kilocalories to Kilojoules4.184 kJ
Kilocalories to Megajoules0.004184 MJ
Kilocalories to Gigajoules0.00000418 GJ
Kilocalories to Watt-hours1.1622 Wh
Kilocalories to Kilowatt-hours0.0011622 kWh
Kilocalories to Megawatt-hours0.00000116 MWh
Kilocalories to Calories1000 cal
Kilocalories to BTU3.9657 BTU
Kilocalories to Therms0.00003966 therm
Kilocalories to Foot-pounds3085.96 ft·lb
Kilocalories to Electronvolts2.6114e+22 eV
Kilocalories to Ergs4.184e+10 erg

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