Understanding Energy Conversion: Calories to Kilojoules

How do we convert energy from calories to kilojoules?

1 calorie (cal) is equal to 4.184 joules (J). To convert from calories to kilojoules, what is the step-by-step process?

Energy Conversion: Calories to Kilojoules

The energy of 3600 cal is equal to 15.06 kJ. To convert energy from calories to kilojoules, follow these steps:

Step 1: Convert calories to joules

3600 cal * 4.184 J/cal = 15042.4 J

Step 2: Convert joules to kilojoules

15042.4 J / 1000 = 15.0424 kJ

Step 3: Round the answer to the appropriate number of decimal places

15.0424 kJ rounded to two decimal places is 15.06 kJ

Therefore, the energy of 3600 cal is equal to 15.06 kJ. By understanding the conversion rate between calories and kilojoules, we can accurately calculate and express energy in different units.

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