Convert Joule to Kilocalorie

Simple, fast and user-friendly online tool to convert Joule to Kilocalorie ( J to kcal ) vice-versa and other Energy related units. Learn and share how to convert Joule to Kilocalorie ( J to kcal ). Click to expand short unit definition.

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

What is Joule ?

A Joule (J) is a unit of energy in the International System of Units (SI). It helps us measure the amount of energy used or work done in various situations, from moving objects to heating things up or running electrical devices.

Understanding Joules in Simple Terms:
  1. Mechanical Work:

    • Imagine pushing a toy car across the floor. If you apply a force of one newton (which is a small amount of force) to move the car one meter in the same direction, you’ve done one joule of work. This means you’ve transferred one joule of energy from you to the car to get it moving.
  2. Heat Energy:

    • Think about heating water on a stove. The energy needed to raise the temperature of a small amount of water by one degree Celsius is measured in joules. For example, to heat one gram of water by one degree Celsius, it takes about 4.18 joules of energy.
  3. Electrical Energy:

    • Consider a lightbulb. If it uses one watt of power (which is a small amount) for one second, it uses one joule of electrical energy. So, a joule can tell us how much energy is being used to keep a device running.
Everyday Examples:
  • Lifting a Book: If you lift a book weighing about 100 grams to a height of one meter, you’re doing roughly one joule of work.
  • Apple Falling: When an apple falls from a table to the ground, the energy involved in that fall can be measured in joules.
Key Points:
  • Energy Transfer: A joule measures the transfer of energy from one place to another.
  • Different Forms: Whether it’s mechanical (moving things), thermal (heating things), or electrical (powering devices), the joule is the unit used to quantify energy.

In summary, a joule is a versatile unit that helps us understand how much energy is involved in various activities and processes, making it a fundamental concept in science and everyday life.




What is Kilocalorie ?

A Kilocalorie (kcal) is a unit of energy, most commonly used to describe the energy content in food and drinks. It tells us how much energy our body can get from consuming certain foods.

Understanding Kilocalories in Simple Terms:
  1. What is a Kilocalorie?:

    • A kilocalorie is the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius. In everyday language, we simply call it a "calorie," but the correct term is kilocalorie.
  2. Calories vs. Kilocalories:

    • When we talk about "calories" on food labels or in diet discussions, we are actually referring to kilocalories. One kilocalorie (kcal) is equal to 1,000 small calories (cal). So when you see that a snack has 150 calories, it actually contains 150 kilocalories, which is the same as 150,000 small calories.
  3. Energy for the Body:

    • Your body uses kilocalories as energy to perform daily activities like walking, thinking, and even sleeping. If you consume more kilocalories than your body needs, the extra energy is stored as fat. If you consume fewer, your body will use stored energy, which can lead to weight loss.
Everyday Examples:
  • Banana: A medium-sized banana has about 100 kilocalories. This means eating the banana gives your body 100 units of energy to use.
  • Walking: If you go for a brisk 30-minute walk, you might burn around 150 kilocalories, depending on your weight and pace.
Key Points:
  • Measurement of Energy: Kilocalories measure how much energy food and drinks provide to your body.
  • Daily Use: Understanding kilocalories helps you manage your diet by balancing the energy you take in with the energy you use.

In summary, a kilocalorie is a larger unit of energy often used to describe the energy content of food and drinks. It helps us understand how much fuel our body gets from what we eat and drink.



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