Convert Calorie to Kilojoule

Simple, fast and user-friendly online tool to convert Calorie to Kilojoule ( cal to kJ ) vice-versa and other Energy related units. Learn and share how to convert Calorie to Kilojoule ( cal to kJ ). Click to expand short unit definition.

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   Calorie (cal) =    Kilojoule (kJ)
Calorie Conversion Table
Calorie(cal) to Joule (J) = 1 Joule (J)
Calorie(cal) to Kilojoule (kJ) = 1 Kilojoule (kJ)
Calorie(cal) to Calorie (cal) = 1 Calorie (cal)
Calorie(cal) to Kilocalorie (kcal) = 1 Kilocalorie (kcal)
Calorie(cal) to KilowattHour (kWh) = 1 KilowattHour (kWh)
Calorie(cal) to British thermal unit (BTU) = 1 British thermal unit (BTU)
Calorie(cal) to Erg (erg) = 1 Erg (erg)
Calorie(cal) to Foot pound (ft-lb) = 1 Foot pound (ft-lb)
Calorie(cal) to Electron volt (eV) = 1 Electron volt (eV)
Calorie(cal) to Decielectron volt (deV) = 1 Decielectron volt (deV)
Calorie(cal) to Centielectron volt (ceV) = 1 Centielectron volt (ceV)
Calorie(cal) to Millielectron volt (meV) = 1 Millielectron volt (meV)
Calorie(cal) to Microelectron volt (µeV) = 1 Microelectron volt (µeV)
Calorie(cal) to Nanoelectron volt (neV) = 1 Nanoelectron volt (neV)
Calorie(cal) to Picoelectron volt (peV) = 1 Picoelectron volt (peV)
Calorie(cal) to Femtoelectron volt (feV) = 1 Femtoelectron volt (feV)
Calorie(cal) to Attoelectron volt (aV) = 1 Attoelectron volt (aV)
Calorie(cal) to Zeptoelectron volt (zeV) = 1 Zeptoelectron volt (zeV)
Calorie(cal) to Yoctoelectron volt (yV) = 1 Yoctoelectron volt (yV)
Calorie(cal) to Decaelectron volt (daV) = 1 Decaelectron volt (daV)
Calorie(cal) to Hectoelectron volt (heV) = 1 Hectoelectron volt (heV)
Calorie(cal) to Kiloelectron volt (KeV) = 1 Kiloelectron volt (KeV)
Calorie(cal) to Megaelectron volt (MeV) = 1 Megaelectron volt (MeV)
Calorie(cal) to Gigaelectron volt (GeV) = 1 Gigaelectron volt (GeV)
Calorie(cal) to Teraelectron volt (TeV) = 1 Teraelectron volt (TeV)
Calorie(cal) to Petaelectron volt (PeV) = 1 Petaelectron volt (PeV)
Calorie(cal) to Exaelectron volt (EeV) = 1 Exaelectron volt (EeV)
Calorie(cal) to Zettaelectron volt (zeV) = 1 Zettaelectron volt (zeV)
Calorie(cal) to Yottaelectron volt (YeV) = 1 Yottaelectron volt (YeV)

What is Calorie ?

A Calorie is a unit of energy, commonly used to measure the energy content in food and drink. When you hear about calories in your diet, it refers to how much energy your body can get from consuming certain foods or drinks.

Understanding Calories in Simple Terms:
  1. Energy from Food:

    • When you eat or drink something, your body breaks it down and converts it into energy. This energy is measured in calories. For example, if a slice of bread has 80 calories, it means that eating it gives your body 80 units of energy to use for various activities, like walking, thinking, or even just breathing.
  2. Calories vs. Kilocalories:

    • Technically, when we talk about "calories" in food, we are actually referring to kilocalories (kcal). One kilocalorie is equal to 1,000 calories. However, in everyday language, we just say "calories" when we really mean kilocalories. So, when you see that something has 200 calories, it actually contains 200 kilocalories, or 200,000 regular calories.
  3. Using Calories:

    • Your body uses calories as fuel. The more physically active you are, the more calories you need. If you eat more calories than your body needs, the excess is stored as fat. If you eat fewer calories than your body uses, you may lose weight because your body starts using stored fat for energy.
Everyday Examples:
  • Apple: A medium-sized apple has about 95 calories. This means eating the apple provides your body with 95 units of energy.
  • Running: If you run for 30 minutes, you might burn around 300 calories, depending on your weight and speed.
Key Points:
  • Energy Measurement: Calories measure how much energy food or drink provides.
  • Balance: It’s important to balance the calories you consume with the calories you use to maintain a healthy weight.

In summary, a calorie is a way to measure the energy your body gets from food and drinks. It helps you understand how much fuel you're giving your body and how much you need to stay healthy and active.




What is Kilojoule ?

A Kilojoule (kJ) is a unit of energy, similar to a joule, but larger. The prefix "kilo-" means a thousand, so one kilojoule is equal to 1,000 joules. It’s a way to measure larger amounts of energy that might be too big to express in just joules.

Understanding Kilojoules in Simple Terms:
  1. Energy in Food:

    • When you eat food, your body gets energy, which is often measured in kilojoules. For example, a banana might give you about 400 kilojoules of energy. This energy is what your body uses to do everything from thinking and moving to staying warm.
  2. Mechanical Work:

    • Imagine you have a machine that does work, like lifting heavy boxes. If it does 1,000 joules of work, that’s the same as doing 1 kilojoule of work. So, kilojoules help express energy in larger quantities when the tasks involve more energy.
  3. Electrical Energy:

    • In electricity, kilojoules can be used to measure the energy consumption of devices over time. For example, if a device uses 1,000 watts (or 1 kilowatt) for one second, it has used 1 kilojoule of energy.
Everyday Examples:
  • Exercise: When you exercise, your body burns energy, which can be measured in kilojoules. For instance, running for a few minutes might burn a few hundred kilojoules.
  • Boiling Water: Boiling a liter of water on the stove requires about 300 kilojoules of energy.
Key Points:
  • Larger Scale: Kilojoules are used when dealing with larger amounts of energy, making them more convenient than using thousands of joules.
  • Energy in Life: They help us understand the energy content in food, the work done by machines, and the energy used by electrical devices.

In summary, a kilojoule is a larger unit of energy that makes it easier to talk about and measure significant amounts of energy, whether it's in the food we eat, the work we do, or the electricity we use.



List of Energy conversion units
Joule Kilojoule Calorie Kilocalorie KilowattHour British thermal unit Erg Foot pound Electron volt Decielectron volt Centielectron volt Millielectron volt Microelectron volt Nanoelectron volt Picoelectron volt Femtoelectron volt Attoelectron volt Zeptoelectron volt Yoctoelectron volt Decaelectron volt Hectoelectron volt Kiloelectron volt Megaelectron volt Gigaelectron volt Teraelectron volt Petaelectron volt Exaelectron volt Zettaelectron volt Yottaelectron volt