Calorie Converter
Convert Calorie to Kilojoule and more • 50 conversions
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Unit Explanations
Caloriecal
Source UnitThe calorie is a unit of energy that originated in the late 19th century and is defined as the amount of energy required to raise the temperature of one gram of water by one degree Celsius (1 °C) at a pressure of one atmosphere. In nutritional contexts, the kilocalorie (kcal) is commonly used, which is equivalent to 1,000 calories. The calorie is part of the metric system but is not an SI unit; however, it is widely used in various fields, particularly in nutrition, physics, and chemistry. The calorie can also refer to the energy expended in physical activities, making it crucial for dietary and exercise planning. Its applications extend to thermodynamics and calorimetry, where precise energy measurements are vital.
Current Use
Today, the calorie is widely used in nutrition to quantify the amount of energy food provides to the body. In many countries, food labels list caloric content to inform consumers about energy intake. The calorie is significant in various industries including food and beverage, healthcare, fitness, and sports science, aiding in dietary planning and energy expenditure calculations. Besides nutrition, calories are used in scientific research, particularly in calorimetry, where precise energy measurements are essential for experiments involving heat transfer. The global health sector utilizes calories to develop dietary recommendations and guidelines, emphasizing the importance of balanced energy intake for maintaining health and preventing diseases.
Fun Fact
The calorie was once defined based on the energy needed to heat water, highlighting its unique relationship with thermal properties.
KilojoulekJ
Target UnitThe kilojoule (kJ) is a derived unit of energy in the International System of Units (SI) that is equal to 1,000 joules. It is commonly used in food energy, as well as in various scientific and engineering contexts. The joule, symbolized as 'J', is defined as the energy transferred when a force of one newton is applied over a distance of one meter. Thus, the kilojoule serves as a convenient measure for larger quantities of energy, particularly in nutritional information, where food energy is quantified in kilojoules. The kilojoule is also applicable in fields like thermodynamics, physics, and engineering to quantify energy transfer, work done, and heat generation.
Current Use
The kilojoule is extensively used across multiple industries, including nutrition, sports science, engineering, and environmental studies. In the food industry, it is the standard unit on nutrition labels in many countries, particularly in Australia and Europe, allowing consumers to understand the energy content of food items. In sports science, kilojoules are used to quantify energy expenditure during physical activities, aiding athletes in training and dietary planning. In engineering, kilojoules are used to describe work done in mechanical systems, energy transfers, and thermodynamic processes. Additionally, environmental studies utilize kilojoules to measure energy consumption in various systems, contributing to discussions on sustainability and energy efficiency.
Fun Fact
One kilojoule is equivalent to about 239 calories.
Convert Calorie to Kilojoule
Converting Calorie to Kilojoule is frequently used in physics and engineering. This premium converter provides precise results.
Accurate unit conversion is essential for scientific and daily tasks.
To convert Calorie to Kilojoule, apply the conversion factor specific to these units.
Calorie
Definition
A unit of energy often used for food.
Origins & History
Originally defined by the heat to warn water.
Kilojoule
Definition
Equal to 1,000 joules.
Origins & History
Commonly used for food energy in some countries.
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📐Conversion Formula
= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
Quick Examples
💡 Pro Tip: For the reverse conversion ( → ), divide by the conversion factor instead of multiplying.
Calorie
energy • Non-SI
Definition
The calorie is a unit of energy that originated in the late 19th century and is defined as the amount of energy required to raise the temperature of one gram of water by one degree Celsius (1 °C) at a pressure of one atmosphere. In nutritional contexts, the kilocalorie (kcal) is commonly used, which is equivalent to 1,000 calories. The calorie is part of the metric system but is not an SI unit; however, it is widely used in various fields, particularly in nutrition, physics, and chemistry. The calorie can also refer to the energy expended in physical activities, making it crucial for dietary and exercise planning. Its applications extend to thermodynamics and calorimetry, where precise energy measurements are vital.
History & Origin
The term calorie was first introduced in the early 19th century, with its origins traceable to the Latin word 'calor', meaning heat. The calorie was defined by French chemist Nicolas Clément in the 1820s, who used it to quantify heat energy. The concept of calorie as a measurement of energy became vital in the burgeoning fields of thermodynamics and nutrition, reflecting the growing understanding of energy transfer and metabolism. In the late 19th century, the calorie began to be standardized, leading to its widespread adoption in scientific and nutritional contexts.
Etymology: The word 'calorie' comes from the Latin 'calor', which means heat.
Current Use
Today, the calorie is widely used in nutrition to quantify the amount of energy food provides to the body. In many countries, food labels list caloric content to inform consumers about energy intake. The calorie is significant in various industries including food and beverage, healthcare, fitness, and sports science, aiding in dietary planning and energy expenditure calculations. Besides nutrition, calories are used in scientific research, particularly in calorimetry, where precise energy measurements are essential for experiments involving heat transfer. The global health sector utilizes calories to develop dietary recommendations and guidelines, emphasizing the importance of balanced energy intake for maintaining health and preventing diseases.
💡 Fun Facts
- •The calorie was once defined based on the energy needed to heat water, highlighting its unique relationship with thermal properties.
- •1 kilocalorie (kcal) is equal to 1,000 calories and is commonly used in food labeling, often referred to as 'Calorie' with a capital C.
- •The average person requires about 2,000 to 2,500 calories daily to maintain energy balance, depending on activity levels.
📏 Real-World Examples
🔗 Related Units
Kilojoule
energy • Non-SI
Definition
The kilojoule (kJ) is a derived unit of energy in the International System of Units (SI) that is equal to 1,000 joules. It is commonly used in food energy, as well as in various scientific and engineering contexts. The joule, symbolized as 'J', is defined as the energy transferred when a force of one newton is applied over a distance of one meter. Thus, the kilojoule serves as a convenient measure for larger quantities of energy, particularly in nutritional information, where food energy is quantified in kilojoules. The kilojoule is also applicable in fields like thermodynamics, physics, and engineering to quantify energy transfer, work done, and heat generation.
History & Origin
The concept of energy measurement dates back to the early 19th century, with the joule being defined in 1843 by the physicist James Prescott Joule, who discovered the mechanical equivalent of heat. This laid the groundwork for the kilojoule as a practical unit of measurement for larger energy quantities. The kilojoule itself was adopted later as part of the metric system's effort to standardize units of measure across various scientific disciplines. The kilojoule has become a standard unit in both scientific and nutritional contexts, reflecting a broader understanding of energy in physical processes and biological systems.
Etymology: The term 'kilojoule' is derived from the prefix 'kilo-' meaning one thousand, combined with 'joule', named after the British physicist James Prescott Joule.
Current Use
The kilojoule is extensively used across multiple industries, including nutrition, sports science, engineering, and environmental studies. In the food industry, it is the standard unit on nutrition labels in many countries, particularly in Australia and Europe, allowing consumers to understand the energy content of food items. In sports science, kilojoules are used to quantify energy expenditure during physical activities, aiding athletes in training and dietary planning. In engineering, kilojoules are used to describe work done in mechanical systems, energy transfers, and thermodynamic processes. Additionally, environmental studies utilize kilojoules to measure energy consumption in various systems, contributing to discussions on sustainability and energy efficiency.
💡 Fun Facts
- •One kilojoule is equivalent to about 239 calories.
- •The kilojoule is commonly used outside of the United States, where calories are more prevalent.
- •In the context of thermodynamics, 1 kJ can raise the temperature of 1 kg of water by about 0.239°C.
📏 Real-World Examples
🔗 Related Units
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Frequently Asked Questions
How do I convert to ?▼
To convert to , multiply your value by 1. For example, 10 equals 10 .
What is the formula for to conversion?▼
The formula is: = × 1. This conversion factor is based on international standards.
Is this to converter accurate?▼
Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.
Can I convert back to ?▼
Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.