Kilocalories to Kilojoules

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

kcal
kJ
1 kilocalories (kcal) = 4.184 Kilojoules (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 kilocalorie = 4.184 Kilojoules
2Multiply the value by the conversion factor:
1 × 4.184 = 4.184
3Result:
1 kilocalories (kcal) = 4.184 Kilojoules (kJ)
↔ Kilojoules to Kilocalories

How to Convert kilocalories to Kilojoules

To convert kilocalories to Kilojoules, multiply the value by 4.184.

The Formula

Kilojoules = kilocalories × 4.184

Key Fact

1 kilocalorie = 4.184 Kilojoules

Tip: To convert Kilojoules back to kilocalories, divide by 4.184.

kilocalories to Kilojoules Table

kilocaloriesKilojoules
1 kcal4.184 kJ
2 kcal8.368 kJ
5 kcal20.92 kJ
10 kcal41.84 kJ
20 kcal83.68 kJ
25 kcal104.6 kJ
50 kcal209.2 kJ
100 kcal418.4 kJ
250 kcal1046 kJ
500 kcal2092 kJ
1000 kcal4184 kJ

1 kilocalorie in Other Units

Unit1 kcal =
Kilocalories to Joules4184 J
Kilocalories to Kilojoules4.184 kJ
Kilocalories to Megajoules0.004184 MJ
Kilocalories to Gigajoules4.184e-6 GJ
Kilocalories to Watt-hours1.16222222222 Wh
Kilocalories to Kilowatt-hours0.00116222222222 kWh
Kilocalories to Megawatt-hours1.16222222222e-6 MWh
Kilocalories to Calories1000 cal
Kilocalories to BTU3.96565124258 BTU
Kilocalories to Therms3.96566683147e-5 therm
Kilocalories to Foot-pounds3085.95536281 ft·lb
Kilocalories to Electronvolts2.6114419104e22 eV
Kilocalories to Ergs4.184e10 erg

Related Conversions

Joules to CaloriesCalories to JoulesKilojoules to KilocaloriesBTU to KilojoulesKilojoules to BTUKilowatt-hours to JoulesJoules to Kilowatt-hoursCalories to KilocaloriesKilocalories to CaloriesJoules to Kilojoules