Thermochemical calorie cal
About the Thermochemical calorie
The thermochemical calorie is exactly 4.184 joules, approximately the heat needed to raise one gram of water by one degree Celsius. The International Table calorie, used in steam engineering, is exactly 4.1868 J. The food Calorie with a capital C is a kilocalorie, 4184 J. Science has largely replaced the calorie with the joule.
Related Units
Electronvolt
eV1.602176634 × 10⁻¹⁹ J (exact)
An electronvolt is the energy gained by one electron accelerated through a potential difference of one volt. Since the...
Ton of TNT
tTNT4.184 × 10⁹ J (exact by convention)
The ton of TNT is a conventional energy unit of exactly 4.184 gigajoules, or 10⁹ thermochemical calories, used for...
Joule
J1 J = 1 N·m = 1 kg·m²·s⁻²
The joule is the work done when a force of one newton moves its point of application one metre. It is named after James...
Kilowatt-hour
kWh1 kWh = 3,600,000 J (exact)
A kilowatt-hour is the energy delivered by one kilowatt of power for one hour, exactly 3.6 megajoules. It is the unit...