⚡ kcal to J — Kilocalorie (Cal) to Joule Converter

Convert energy units — joules, calories, kilowatt-hours, BTU, kilojoules.

Formula 1 kcal = 4184 J
UnitNameValue
J Joule 4184
kJ Kilojoule 4.184
cal Calorie 1000
kWh Kilowatt-hour 0.0011622222
BTU BTU 3.9656512

About Kilocalorie (Cal) to Joule Conversion

The Kilocalorie (Cal) (kcal) and the Joule (J) are both units of energy. Converting between them is straightforward using the formula above.

Formula: 1 kcal = 4184 J

This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.

Frequently Asked Questions

How do I convert Kilocalorie (Cal) to Joule?

Use the converter above — enter your value in Kilocalorie (Cal) and the result appears instantly in Joule. The formula is: 1 kcal = 4184 J

How many Joule are in 100 Kilocalorie (Cal)?

100 kcal = 418400 J

What is 1 Kilocalorie (Cal) in Joule?

1 kcal = 4184 J

Is this Kilocalorie (Cal) to Joule converter free?

Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.

About Kilocalorie and Joule

Kilocalorie: The kilocalorie (kcal), often called "Calorie" on food labels, equals 1,000 calories or 4,184 Joules. It measures the energy content of food.

Joule: The Joule (J) is the SI unit of energy, equal to one Newton-meter. All other energy units can be converted to Joules, making it the scientific standard.