To use the calories to kilocalories conversion calculator, enter the energy value in calories and select the desired calorie unit type. Click the “Convert” button to instantly calculate the energy in kilocalories (kcal). Use the “Reset” button to clear the inputs and start a new conversion.
Calories to kcal Conversion Calculator
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Small & Large Calories
The small calorie, denoted “cal,” represents the amount of energy required to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere.
On the other hand, the large calorie, denoted “Cal,” represents the energy required to raise the temperature of one kilogram of water by one degree Celsius at a pressure of one atmosphere. The large calorie is commonly referred to as the food calorie and serves as a standard unit for measuring the energy content of food.
How to Convert Calories to kcal?
cal to kcal – Small Calories to Small Kilocalories
1 kcal = 1000 cal
The amount of energy measured in small kilocalories (kcal) corresponds to the energy measured in small calories (cal) divided by 1000:
E(kcal) = E(cal) / 1000
Example
Here’s how to convert 8000 calories to kilocalories using the formula above:
E(kcal) = 8000 cal / 1000 = 8 kcal
Large Calories to Small Kilocalories (Cal to kcal)
1 kcal = 1 Cal
The energy contained within small kilocalories (kcal) is equivalent to the energy within large calories (Cal):
E(kcal) = E(Cal)
Example
Convert 10 Cal to kcal:
E(kcal) = 10 Cal = 10 kcal
Calorie to Kilocalorie Conversion Table
Table showing various calorie measurements converted to kilocalories.
| Calories | Kilocalories |
|---|---|
| 1 cal | 0.001 kcal |
| 2 cal | 0.002 kcal |
| 3 cal | 0.003 kcal |
| 4 cal | 0.004 kcal |
| 5 cal | 0.005 kcal |
| 6 cal | 0.006 kcal |
| 7 cal | 0.007 kcal |
| 8 cal | 0.008 kcal |
| 9 cal | 0.009 kcal |
| 10 cal | 0.01 kcal |
| 20 cal | 0.02 kcal |
| 30 cal | 0.03 kcal |
| 40 cal | 0.04 kcal |
| 50 cal | 0.05 kcal |
| 60 cal | 0.06 kcal |
| 70 cal | 0.07 kcal |
| 80 cal | 0.08 kcal |
| 90 cal | 0.09 kcal |
| 100 cal | 0.1 kcal |
| 200 cal | 0.2 kcal |
| 300 cal | 0.3 kcal |
| 400 cal | 0.4 kcal |
| 500 cal | 0.5 kcal |
| 600 cal | 0.6 kcal |
| 700 cal | 0.7 kcal |
| 800 cal | 0.8 kcal |
| 900 cal | 0.9 kcal |
| 1000 cal | 1 kcal |
| 2000 cal | 2 kcal |
| 5000 cal | 5 kcal |
