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en.wikipedia.org/wiki/Heat

Heat is the amount of energy that flows spontaneously from a warmer object to a cooler one. ... Historically, many energy units for measurement of heat have been used. The standards-based unit in the International System of Units (SI) is the ...

en.wikipedia.org/wiki/Units_of_energy

Because energy is defined via work, the SI unit for energy is the same as the unit of work – the joule (J), named in honor of James Prescott Joule and his experiments on the mechanical equivalent of heat. ... In physics and chemistry, it is still common to measure energy on the atomic scale in the non-SI, but convenient, units ...

www.aps.org/policy/reports/popa-reports/energy/units.cfm

Many sorts of units are used in energy discussions. ... Thus, in a traditional definition, one calorie is the amount of heat required to raise the ... as the 15 °C calorie, and differs slightly from the "calorie" measured for other temperature intervals.

ww2.kqed.org/quest/2014/11/14/how-is-energy-measured-2

Nov 14, 2014 ... Explore units of energy--from the calorie to the joule—with this ... calorie is equivalent to 4.186 joules, which is used to measure heat energy.

www.britannica.com/science/calorie

calorie: A unit of energy or heat variously defined. The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to  ...

www.brighthubengineering.com/power-plants/4962-what-are-the-units-of-measurement-of-energy-and-power

Aug 20, 2008 ... Energy is the integral part of our life. It is the energy that produces work, heat and power. Energy and power are measured in different units ...

www.e-education.psu.edu/egee102/node/1908

Electrical fields, 1 kWh = 3,413 BTUs or 3,600,000 J. Therm, A unit describing the energy contained in natural gas. Home heating appliances, 1 therm = 100,000 ...

www.engineeringtoolbox.com/heat-units-d_664.html

The most common units of heat are BTU - British Thermal Unit, Calorie and Joule. ... of heat energy (or one calorie) is required to raise the temperature of a unit ...

www.energy-101.org/units-of-measurement

HOW TO CONVERT DATA IN ONE UNIT OF MEASURE TO A DIFFERENT UNIT OF ... 1 British Thermal Unit (BTU) = 1055 J (The Mechanical Equivalent of Heat ...