Kilocalorie to Calorie (th) Converter
Convert Kilocalorie (kcal) to Calorie (th) (cal) instantly. 1 kcal = 1,000 cal.
Energy Converter
27 units available
1 kcal = 1,000 cal
Formula:
cal = kcal × 1,000With your value: 1 kcal = 1,000 cal
How big is that?
Everyday references on a logarithmic scale, all expressed in kilocalorie so you can sanity-check the result.
Other Kilocalorie to Calorie (th) conversions
Kilocalorie to Calorie (th) Conversion Table
| Kilocalorie (kcal) | Calorie (th) (cal) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Calorie (th) to Kilocalorie Conversion Table
| Calorie (th) (cal) | Kilocalorie (kcal) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Kilocalorie (kcal)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Calorie (th) (cal)
Energy
The thermochemical calorie is exactly 4.184 J.
The International Table calorie (4.1868 J) and the 15 °C calorie differ slightly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Kilocalorie to Calorie (th)
To convert from Kilocalorie (kcal) to Calorie (th) (cal), multiply the value by 1,000.
Formula: cal = kcal × 1,000
Reverse: kcal = cal × 0.001
Step-by-Step Example
- Start with your value in Kilocalorie. For example: 5 kcal
- Multiply by the conversion factor: 5 x 1,000
- The result is: 5,000 cal
About Kilocalorie
The kilocalorie (food Calorie) equals 1,000 calories or 4,184 joules. It is the standard unit for food energy content.
Common uses: nutrition, diet, food labeling.
About Calorie (th)
The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.
Common uses: chemistry, nutrition, heating.
Frequently Asked Questions
How many Calorie (th) are in 1 Kilocalorie?
There are exactly 1,000 Calorie (th) in 1 Kilocalorie. This means the conversion factor from Kilocalorie to Calorie (th) is 1,000.
What is the formula to convert Kilocalorie to Calorie (th)?
The formula to convert Kilocalorie to Calorie (th) is: cal = kcal × 1,000. For example, to convert 10 Kilocalorie to Calorie (th), you would multiply 10 by 1,000.
What is a Kilocalorie?
The kilocalorie (food Calorie) equals 1,000 calories or 4,184 joules. It is the standard unit for food energy content.
What is a Calorie (th)?
The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.
What are the common uses of Kilocalorie?
The Kilocalorie is commonly used in nutrition, diet, food labeling.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Kilocalorie to Calorie (th) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilocalorie-to-calorie