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Energy & Work

Calorie to Joule Converter

Convert Calorie to Joule with the exact formula, a worked example and a quick conversion table.

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Examples:2500 meters to kilometers50 psi to bar100 fahrenheit to celsius
Reverse conversion: Joule to Calorie

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Quick values:
Conversion formula

The exact formula applied:

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Conversion formula

J = cal Γ— 4.184

cal = J Γ· 4.184

Worked example

50 cal = 209.2 J

J = cal Γ— 4.184

Energy is measured in joules; kilowatt-hours for electricity, kilocalories for food/HVAC and BTU for heating/cooling.

Quick conversion table

Calorie (cal)Joule (J)
14.184
28.368
520.92
1041.84
25104.6
50209.2
100418.4
2501,046
5002,092
1,0004,184

Reverse conversion table

Joule (J)Calorie (cal)
10.2390057
20.4780115
51.19503
102.39006
255.97514
5011.95029
10023.90057
25059.75143
500119.50287
1,000239.00574

About the two units

calCalorie

One calorie = 4.184 joules.

1 cal = 4.184 J

Non-SI Unit Energy & Work

JJoule

The SI base unit of energy.

1 J = 1 J

SI Derived Unit Energy & Work

Convert to every unit in this category

Instant values for all units based on your input

Related conversions

Kilowatt-hour β†’ JouleBritish Thermal Unit β†’ JouleElectronvolt β†’ JouleFoot-pound β†’ JouleJoule β†’ KilojouleKilowatt-hour β†’ KilocalorieKilocalorie β†’ KilojouleKilowatt-hour β†’ British Thermal Unit

Common engineering conversions

Megapascal ↔ Pound per Square InchMegapascal ↔ BarKilogram-force per square centimetre ↔ MegapascalPound per Square Inch ↔ BarMPa = N/mmΒ² (identical)Kilonewton ↔ NewtonKilonewton ↔ Kilogram-forceCubic Meter ↔ Cubic FootSquare Meter ↔ Square FootKilogram per Cubic Meter ↔ Pound per Cubic FootMillimeter ↔ InchCentimeter ↔ InchMeter ↔ FootNewton-metre ↔ Pound-force-footCubic Meter per Second ↔ Cubic Meter per Hour

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Conversion history