Energy & Work
Kilocalorie to Kilojoule Converter
Convert Kilocalorie to Kilojoule with the exact formula, a worked example and a quick conversion table.
Smart input
β
Quick values:
Conversion formula
The exact formula applied:
β
Conversion formula
kJ = kcal Γ 4.184
kcal = kJ Γ· 4.184
Worked example
50 kcal = 209.2 kJ
kJ = kcal Γ 4.184
Energy is measured in joules; kilowatt-hours for electricity, kilocalories for food/HVAC and BTU for heating/cooling.
Quick conversion table
| Kilocalorie (kcal) | Kilojoule (kJ) |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 25 | 104.6 |
| 50 | 209.2 |
| 100 | 418.4 |
| 250 | 1,046 |
| 500 | 2,092 |
| 1,000 | 4,184 |
Reverse conversion table
| Kilojoule (kJ) | Kilocalorie (kcal) |
|---|---|
| 1 | 0.2390057 |
| 2 | 0.4780115 |
| 5 | 1.19503 |
| 10 | 2.39006 |
| 25 | 5.97514 |
| 50 | 11.95029 |
| 100 | 23.90057 |
| 250 | 59.75143 |
| 500 | 119.50287 |
| 1,000 | 239.00574 |
About the two units
kcalKilocalorie
The food calorie = 1000 small calories.
1 kcal = 4184 J
Non-SI Unit Energy & Work
kJKilojoule
One thousand joules.
1 kJ = 1000 J
SI Derived Unit Energy & Work
Convert to every unit in this category
Instant values for all units based on your input
Related conversions
Common engineering conversions
Megapascal β Pound per Square InchMegapascal β BarKilogram-force per square centimetre β MegapascalPound per Square Inch β BarMPa = N/mmΒ² (identical)Kilonewton β NewtonKilonewton β Kilogram-forceCubic Meter β Cubic FootSquare Meter β Square FootKilogram per Cubic Meter β Pound per Cubic FootMillimeter β InchCentimeter β InchMeter β FootNewton-metre β Pound-force-footCubic Meter per Second β Cubic Meter per Hour