Conversion Formula:
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The conversion between kilocalories (kcal) and calories (cal) is a simple unit conversion where 1 kilocalorie equals 1000 calories. This is because the prefix "kilo" means 1000 in the metric system.
The calculator uses the simple conversion formula:
Where:
Details: While food energy is typically measured in kilocalories (often referred to as "Calories" with capital C), scientific measurements often use calories. This conversion is essential for accurate energy calculations in nutrition science and physics.
Tips: Simply enter the kilocalorie value you wish to convert. The calculator will automatically compute the equivalent calories.
Q1: Why are there two different units?
A: Kilocalories are more practical for food energy measurements, while calories are used in scientific contexts. 1 Calorie (dietary) = 1 kilocalorie = 1000 calories.
Q2: Is there any rounding in the conversion?
A: The conversion is exact (1 kcal = 1000 cal), though results may be rounded for display purposes.
Q3: When would I need this conversion?
A: When comparing food energy values with scientific measurements, or when working with equations that require calories rather than kilocalories.
Q4: Are there other energy units I should know about?
A: Yes, joules are another common energy unit (1 cal = 4.184 joules), but this calculator focuses on kcal-cal conversion.
Q5: Why do food labels say Calories but mean kilocalories?
A: It's a historical convention - the capital C indicates it's actually kilocalories, though this often causes confusion.