2.7778 × 10-7 kilowatt-hour 8. The joule (symbol J) IS a unit, a unit of energy or work. Torque - Joule per radian [J/rad] calculand - Torque. The joule (symbol J) is the SI unit of energyâa measure of the capacity to do work or generate heat.One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). Energy Units. which is required for the converter to function. Named for English physicist James Prescott Joule, the joule (J) is one of the cornerstone units of the International metric system. A joule is equal to the kinetic energy of a kilogram mass moving at the speed of one meter per second (one joule is a kgâm 2 âs â2). For detailed information on the SI base units, see Definitions of the SI base units and their Historical context.. SI derived units. Joule The fundamental unit of energy (as well as heat and work) in the MKS system of units, equal to 1 kg m 2 s -2, or 1/4.184 of a calorie. The actual energy may vary up to 10%. Does convert-me.com really exist since 1996? 2.7778 × 10-4 watt-hour 9. Other units of energy convertible to joules. The joule (J) is the unit of measure for energy used in the International System of Units (SI), and the one accepted in scientific circles. The actual energy may vary up to 15%. Essa página também está disponível em português. next to it. A joule (/ Ë dÊ aÊ l / or sometimes / Ë dÊ uË l /) is a unit in the SI system. Named in honour of the English physicist James Prescott Joule, it equals 10 7 ergs, or approximately 0.7377 foot-pounds. The amount of energy one utilizes in lifting a cup of water from the table to one's mouth equals approximately 1 Joule. The mechanical quantities involved have the SI units: It follows that J (joule) is expressed in SI basic units as: 'Joule' is variously pronounced 'jool' (rhymes with 'jewel') or 'joul' (rhymes with 'jowl'). Define Joule (unit). your browser settings. Got ideas how to make it better? How to convert watts to joules. The unit, named after Blaise Pascal, is defined as one newton per square metre and is equivalent to 10 barye (Ba) in the CGS system. One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). In fact it's even older. In physics, natural units are physical units of measurement based only on universal physical constants. In electrical terms, the joule equals one watt-secondâi.e., the energy released in one second by a current of one ampere through a resistance of â¦ The watt (symbol: W) is a unit of power.In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer.In SI base units, the watt is described as kgâm 2 âs â3. Energy Units and Conversions 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. joule (plural joules) 1. Therefore, the relationship between commercial and SI unit of energy is: 1 kWh = 1kW x 1h = 1000W x 1h = 1000(J/s) x 3600 s = 3.6 x10 6 J E (J) = P (W) â t (s) How to convert watts to horsepower. One calorie of heat is the equivalent of 4.186 J. It's your answer. Choose how you want to have your digit groups Кликните, чтобы переключиться на русский. One may also use electric units to define the joule. One calorie (1 1/1000 of a kilocarie of food consumed or metabolic energy expended) equals 4.186 J. It is equal to the energy transferred to (or work done on) an object when a force of one newton acts on that object in the direction of the force's motion through a â¦ Calorie, Energy, Erg, Heat, Work © 1996-2007 Eric W. Weisstein The unit is used in all equations and calculations involving energy. The joule (symbol J) is the SI unit of energy—a measure of the capacity to do work or generate heat. The joule (symbol: J) is the basic SI unit of energy.A joule is equal to the kinetic energy of a kilogram mass moving at the speed of one meter per second (one joule is a kgâm 2 âs â2).Alternatively, it is the amount of work done on an object when a force of one newton acts in the direction of the object's motion over a distance of one meter (1 joule equal 1 newton meter or Nâm). Enter the value you want to convert (joule). This page was last modified on 18 December 2010, at 14:33. J or j 1. A surge protector with 1000 to 2000 joules will provide sufficient protection for power tools and office equipment such as printers, copiers and routers. Other quantities, called derived quantities, are defined in terms of the seven base quantities via a system of quantity equations.The SI derived units for these derived quantities are obtained from these equations and the seven SI base units. P (HP) = P (W) / 746. One "dietary Calorie" (as used in the United States to designate a kilocalorie) is 4186 J (4.186 kJ).  One kilogram (kg) of mass is equivalent to exactly 89,875,517,873,681,764 joules (according to E=mc2 with m = 1 kg and speed of light c = 299,792,458 m/s).. (1 kg) (a 2L soda bottle falling over) The joule is also used to measure thermal energy. The joule (jawl, jool; symbol: J) is a derived unit of energy in the International System of Units. A Work in Progress. There was no JavaScript there and all conversions had to be done on server. Equals 10 7 ergs, or approximately 0.7377 foot-pounds this is a conversion chart for joule symbol... 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