Calorie to Kilocalorie Converter (cal to kcal)

How to Convert Calorie to Kilocalorie

Formula: Kilocalorie = Calorie × 0.001

Example: 1 cal = 0.001 kcal

You can also use the interactive converter above. Simply enter any Calorie value and the equivalent Kilocalorie value will appear instantly. Click the ⇄ button to reverse the conversion.

Here is a closer look at what Calorie and Kilocalorie are used for, plus answers to the questions people ask most about this conversion.

Step-by-step example — Convert 1000 cal to kcal:

What is Calorie and Kilocalorie?

A Calorie (cal) is a small energy unit originally defined as the heat needed to raise one gram of water by one degree Celsius.

A Kilocalorie (kcal) equals 1,000 calories and is the actual unit behind the 'Calorie' shown on food nutrition labels.

Real World Uses of Calorie to Kilocalorie Conversion

• Calorie: Commonly used for used in scientific calorimetry experiments.
• Kilocalorie: Commonly used for labeling food energy content on nutrition labels.
• Calorie: Commonly used in chemistry to describe the heat released or absorbed in small reactions.
• Kilocalorie: Commonly used by nutritionists and fitness trackers to measure energy intake and burn.

Frequently Asked Questions

What is the formula to convert Calorie to Kilocalorie?

The formula is: Kilocalorie = Calorie x 0.001. Multiply any Calorie value by 0.001 to get the equivalent in Kilocalorie.

What is 1 Calorie in Kilocalorie?

1 cal = 0.001 kcal.

How many Calorie are in 1 Kilocalorie?

1 kcal = 1000 cal.

Is Calorie bigger or smaller than Kilocalorie?

Calorie is smaller than Kilocalorie. 1 Kilocalorie = 1000 cal.

What is 500 cal in kcal?

500 cal = 0.5 kcal.

What is 500 kcal in cal?

500 kcal = 500,000 cal.

Is a food Calorie the same as a chemistry calorie?

No — a food "Calorie" with a capital C is actually a kilocalorie, 1,000 times larger than the small calorie used in chemistry and physics.