Calorie to Kilocalorie
Convert Calorie to Kilocalorie instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Formula
kcal = cal × 0.001
cal = kcal × 1000
Conversion table
| 1 cal | 0.001 kcal |
| 5 cal | 0.005 kcal |
| 10 cal | 0.01 kcal |
| 20 cal | 0.02 kcal |
| 50 cal | 0.05 kcal |
| 100 cal | 0.1 kcal |
| 500 cal | 0.5 kcal |
| 1000 cal | 1 kcal |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the Calorie (cal). A thermochemical calorie is 4.184 joules.
What is the destination unit in this conversion?
The destination unit is the Kilocalorie (kcal). A kilocalorie is 1,000 calories.
How do I convert Calorie to Kilocalorie?
Multiply the Calorie value by 0.001. For example, 10 cal × 0.001 = 0.01 kcal.
Is the Calorie to Kilocalorie conversion exact?
Yes. Both units belong to the same engineering measurement family (energy), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in Calorie needs to be compared with, or reported in, Kilocalorie, such as in engineering, scientific, or industrial calculations.
Can I convert Kilocalorie back to Calorie?
Yes. Multiply the Kilocalorie value by 1000 to get Calorie.
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About this conversion
This page converts Calorie (cal) to Kilocalorie (kcal) within the engineering converter.
A thermochemical calorie is 4.184 joules. A kilocalorie is 1,000 calories.
The formula is kcal = cal × 0.001, based on each unit's fixed relationship to the energy base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common Calorie values already converted to Kilocalorie.