ConvertCalories to Kilojoules (kJ) conversion

Calories to Kilojoules (kJ) conversion

Calories and kilojoules are both units of energy used to quantify the amount of energy contained in food and expended by the body. They are used to measure the energy content of foods and the energy expenditure associated with various activities.

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    Calories (cal)

    A calorie is a unit of energy commonly used in nutrition to describe the energy content of food. More precisely, a calorie is defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.

    In the context of nutrition, we often use a larger unit called a kilocalorie (kcal), which is equivalent to 1000 calories. This is the unit commonly seen on nutrition labels and used to express the energy content of foods. When people talk about “calories” in the context of food, they are usually referring to kilocalories.

    Kilojoules (kJ)

    Kilojoules are another unit of energy used to measure the energy content of foods and the energy expenditure of the body. One kilojoule is equal to 0.239 calories (kcal). Kilojoules are commonly used in many countries outside of the United States to measure energy content and daily energy intake.

    How to convert from calories to kJ

    To convert from calories (calories) to kilojoules (kJ), you can use the conversion factor that relates these two units. The conversion factor is:

    1 kcal = 4.184 kJ

    This means that 1 kilocalorie (kcal) is equal to 4.184 kilojoules (kJ). To convert from calories to kilojoules, you simply need to multiply the number of calories by the conversion factor.

    Here’s the formula for the conversion

    Energy in kilojoules (kJ) = Energy in calories (calories) × 4.184

    For example, let’s say you have 200 calories and you want to convert it to kilojoules:

    Energy in kilojoules = 200 calories × 4.184 kJ/calorie = 836.8 kJ

    So, 200 calories is equivalent to 836.8 kilojoules.

    Calories to Kilojoule Conversion Table

    Calories Kilojoules
    1 cal 0.004184 kJ
    2 cal 0.008368 kJ
    3 cal 0.012552 kJ
    4 cal 0.016736 kJ
    5 cal 0.02092 kJ
    6 cal 0.025104 kJ
    7 cal 0.029288 kJ
    8 cal 0.033472 kJ
    9 cal 0.037656 kJ
    10 cal 0.04184 kJ
    20 cal 0.08368 kJ
    30 cal 0.12552 kJ
    40 cal 0.16736 kJ
    50 cal 0.2092 kJ
    60 cal 0.25104 kJ
    70 cal 0.29288 kJ
    80 cal 0.33472 kJ
    90 cal 0.37656 kJ
    100 cal 0.4184 kJ
    200 cal 0.8368 kJ
    300 cal 1.2552 kJ
    400 cal 1.6736 kJ
    500 cal 2.092 kJ
    600 cal 2.5104 kJ
    700 cal 2.9288 kJ
    800 cal 3.3472 kJ
    900 cal 3.7656 kJ
    1,000 cal 4.184 kJ

    FAQs on Calories to KJ Conversion

    Does 1 kJ equal 1 calorie?

    No, 1 kilojoule (kJ) is not equal to 1 calorie. 1 kJ is approximately equal to 0.239 calories.

    How do you convert calories to kilojoules?

    To convert calories to kilojoules, you can use the conversion factor: 1 calorie = 0.004184 kilojoules.

    What is 2000 cal in kJ?

    2000 calories is approximately equal to 8.368 kilojoules.

    Is 1 joule equal to 1000 kJ?

    No, 1 joule is not equal to 1000 kilojoules. 1 joule is equal to 0.001 kilojoules.

    What is 1 calorie equal to in joules?

    1 calorie is approximately equal to 4.184 joules.

    How many kJ is a calorie?

    1 calorie is approximately equal to 0.004184 kilojoules.

    How many kJ is 2000 calories a day?

    2000 calories a day is approximately equal to 8.368 kilojoules.

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