Energy Converter
Effortlessly convert energy units like joules, calories, kilowatt-hours, and more. Essential for physics, engineering, and energy consumption analysis.
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Did You Know?
Joules
The SI unit of energy, work, and heat, defined as the energy transferred when a force of one newton acts over a distance of one meter. This unit is the fundamental unit of energy in the International System of Units (SI).
Kilojoules
A unit of energy equal to 1000 joules, commonly used in physics and chemistry. This unit is particularly relevant in the study of thermodynamic processes and chemical reactions.
Frequently Asked Questions
To use the Energy Converter, enter the value you want to convert in the 'Amount to convert' field. Then, select the unit you're converting from in the 'Convert from' dropdown and the unit you're converting to in the 'Convert to' dropdown. The result will instantly appear in the 'Output' box below.
The Energy Converter supports a wide range of energy units, including joules (J), calories (cal), kilowatt-hours (kWh), British Thermal Units (BTU), electron volts (eV), and more. You can easily convert between any of these units by selecting them from the dropdown menus.
No, you won't lose your data when refreshing the page. The Energy Converter preserves your input and conversion settings even after a page reload, ensuring you can continue working without losing any information.
The Energy Converter provides highly accurate results, using precise mathematical formulas for conversions. It maintains accuracy up to several decimal places, making it suitable for both everyday use and scientific applications in physics, engineering, and energy management.
Yes, the Energy Converter is excellent for calculating power consumption. You can convert between units like kilowatt-hours (kWh) and joules, which is useful for understanding energy usage in household appliances, industrial processes, or renewable energy systems.
About the Units
British Thermal Units (thermochemical)
A unit of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at constant pressure. This unit is commonly used in the United States and is particularly relevant in the context of heating and cooling systems, as well as in the calculation of energy efficiency.
British Thermal Units (mean)
An average value of the British Thermal Unit, used in some applications for simplicity. This unit is a compromise between the International Table calorie and the thermochemical calorie, and is sometimes used in engineering and scientific calculations where a high degree of precision is not required.
Calories (International Table)
A unit of energy defined as the amount of heat needed to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere. This unit is commonly used in nutrition and food science to express the energy content of foods and beverages.
Calories (thermochemical)
A slightly different definition of calorie used in thermochemistry, based on the energy needed to heat water from 14.5°C to 15.5°C. This unit is used in scientific applications where a high degree of precision is required, such as in the study of chemical reactions and thermodynamic processes.
Calories (mean)
An average value of the calorie, used in some applications for simplicity. This unit is a compromise between the International Table calorie and the thermochemical calorie, and is sometimes used in engineering and scientific calculations where a high degree of precision is not required.
Calories (15C)
A calorie defined as the energy needed to heat water at 15°C, sometimes used in calorimetry. This unit is particularly relevant in the study of thermodynamic properties of materials and in the measurement of heat transfer.
Calories (20C)
A calorie defined as the energy needed to heat water at 20°C, sometimes used in calorimetry. This unit is particularly relevant in the study of thermodynamic properties of materials and in the measurement of heat transfer.
Calories (food)
A unit of energy used in nutrition, equal to 1000 small calories or 1 kilocalorie. This unit is commonly used to express the energy content of foods and beverages, and is an important metric in the study of nutrition and dietetics.
Centigrade Heat Units
A unit of heat energy, defined as the amount of heat required to raise the temperature of one pound of water by one degree Celsius. This unit is similar to the British Thermal Unit, but is based on the Celsius scale rather than Fahrenheit.
Dutch Natural Gas (cubic meters, Lower Heating Value)
The energy content of one cubic meter of Dutch natural gas, based on its lower heating value. This unit is particularly relevant in the context of energy production and consumption, as well as in the study of energy economics.
Electron Volts
A unit of energy used in atomic and nuclear physics, equal to the energy gained by an electron moving across a potential difference of one volt. This unit is particularly relevant in the study of subatomic particles and high-energy physics.
Ergs
A small unit of energy and work in the centimeter-gram-second (CGS) system of units. This unit is particularly relevant in the study of mechanics and thermodynamics at the microscopic scale.
Exajoules
A very large unit of energy equal to one quintillion joules, often used for global energy statistics. This unit is particularly relevant in the study of global energy production and consumption patterns.
Foot-Pound Force
A unit of energy or work, defined as the energy transferred when a force of one pound-force acts through a linear displacement of one foot. This unit is commonly used in engineering and physics to express the energy transferred through mechanical work.
Foot Poundals
A unit of energy in the foot-pound-second system, defined as the work done when a force of one poundal acts over a distance of one foot. This unit is particularly relevant in the study of mechanics and thermodynamics in the context of imperial units.
Gasoline (Liters)
The approximate energy content of one liter of gasoline, which can vary depending on the specific composition. This unit is particularly relevant in the context of transportation and energy consumption.
Gigajoules
A unit of energy equal to one billion joules, often used in large-scale energy measurements. This unit is particularly relevant in the study of energy production and consumption patterns, as well as in the context of industrial processes.
Gigawatt Hours
A unit of energy equal to one billion watt hours, commonly used for large amounts of electrical energy. This unit is particularly relevant in the context of electrical power generation and distribution.
Horsepower Hours
A unit of energy equal to the work done by one horsepower acting for one hour. This unit is particularly relevant in the context of mechanical engineering and the study of machine performance.
Inch-Pound Force
A unit of energy or work, defined as the energy transferred when a force of one pound-force acts through a linear displacement of one inch. This unit is particularly relevant in the study of mechanics and thermodynamics in the context of imperial units.
Kilocalories (International Table)
A unit of energy equal to 1000 international table calories, often used in nutrition and food science. This unit is particularly relevant in the study of nutrition and dietetics, as well as in the calculation of energy content of foods and beverages.
Kilogram-Force Meters
A unit of energy or work, defined as the energy transferred when a force of one kilogram-force acts through a linear displacement of one meter. This unit is particularly relevant in the study of mechanics and thermodynamics in the context of metric units.
Kilowatt Hours
A unit of energy commonly used for electrical energy consumption, equal to the energy transferred at a constant rate of one kilowatt for one hour. This unit is particularly relevant in the context of electrical power generation and distribution.
Megajoules
A unit of energy equal to one million joules, often used in scientific and engineering contexts. This unit is particularly relevant in the study of energy production and consumption patterns, as well as in the context of industrial processes.
Megawatt Hours
A unit of energy equal to one million watt hours, commonly used for large-scale electrical energy production and consumption. This unit is particularly relevant in the context of electrical power generation and distribution.
Newton Meters
The SI unit of torque and energy, equivalent to one joule. This unit is particularly relevant in the study of mechanics and thermodynamics in the context of rotational motion.
Petajoules
A very large unit of energy equal to one quadrillion joules, used for extremely large-scale energy measurements. This unit is particularly relevant in the study of global energy production and consumption patterns.
Terajoules
A large unit of energy equal to one trillion joules, used for large-scale energy measurements. This unit is particularly relevant in the study of energy production and consumption patterns, as well as in the context of industrial processes.
Terawatt Hours
A very large unit of energy equal to one trillion watt hours, used for massive electrical energy production and consumption measurements. This unit is particularly relevant in the context of electrical power generation and distribution.
Therms
A non-SI unit of heat energy equal to 100,000 British thermal units (BTU), commonly used by natural gas companies. This unit is particularly relevant in the context of energy production and consumption in the natural gas industry.
Watt Seconds
A unit of energy equivalent to one joule, representing the energy transferred at a rate of one watt for one second. This unit is particularly relevant in the study of electrical energy and power.
Watt Hours
A unit of energy equivalent to 3600 joules, representing the energy transferred at a rate of one watt for one hour. This unit is particularly relevant in the context of electrical energy consumption and production.