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Objective of Measurement:

Measurement is the most important aspect of our life. We use measurement in science, engineering, business trading, personal life, education, and more other fields. As technology is growing day by day so we need a highly accurate and easy convenient global measuring system in each and every field. It is essential to use standard measurement in every field that everyone to be sure that they not get cheated.

History of Measurement:

In history for measurement people used the human body as a tool. For measuring length used forearm, hand, foot & finger as a unit. The foot, finger is a subdivided shorter unit of a length. This type of measurement is not accurate cause different in size of the arm & finger for different people & some of the countries still using it. In history, there were lots of measuring systems developed but mostly used imperial, the metric system of measurement. We use these systems for measure distances, volume, weight, speed, area etc. Due to this a major problem everyone is facing while doing trading between the countries. A huge improvement in civilization, It necessary to improve measuring standards. Nowadays International Standard (SI) units are used as a global measurement system.

Energy is a strength to do a work. The word Energy used by Thomas Young. There are lots of types of energy & they are divided as Potential Energy & Kinetic Energy. Energy defined by the International standard (IS) system. The standard unit of energy is "joule" & denoted as symbol "E".

Energy - Unit Converter:

Our Unit Converter will convert the units of energy joule [J], kilojoule [kJ], kilowatt-hour [kW*h], watt-hour [W*h], calorie (nutritional), horsepower [hp](metric) hour, Btu (IT) [Btu (IT), Btu], Btu (th) [Btu (th)], gigajoule [GJ], megajoule [MJ], millijoule [mJ], microjoule [µJ], nanojoule [nJ], attojoule [aJ], megaelectron-volt [MeV], kiloelectron-volt [keV], electron-volt [eV], erggigawatt-hour [GW*h], megawatt-hour [MW*h], kilowatt-second [kW*s], watt-second [W*s], newton meter [N*m], horsepower hour [hp*h], kilocalorie (IT) [kcal (IT)], kilocalorie (th) [kcal (th)], calorie (IT) [cal (IT), cal], calorie (th) [cal (th)], mega Btu (IT) [MBtu (IT)], ton-hour (refrigeration), fuel oil equivalent @kiloliterfuel, oil equivalent @barrel, (US)gigaton [Gton], megaton [Mton], kiloton [kton], ton (explosives), dyne centimeter [dyn*cm], gram-force meter [gf*m], gram-force centimeter, kilogram-force centimeter, kilogram-force meter, kilopond meter [kp*m], pound-force foot [lbf*ft], pound-force inch [lbf*in], ounce-force inch [ozf*in], foot-pound [ft*lbf], inch-pound [in*lbf], inch-ounce [in*ozf], poundal foot [pdl*ft], therm, therm (EC), therm (US), Hartree energy, Rydberg constant vice versa with a metric conversion.

Energy converters & it's abbreviations
joule Jkilojoule kJkilowatt-hour kW*h
watt-hour W*hcalorie (nutritional)-horsepower (metric) hour-
Btu (IT) Btu (IT), BtuBtu (th) Btu (th)gigajoule GJ
megajoule MJmillijoule mJmicrojoule µJ
nanojoule nJattojoule aJmegaelectron-volt MeV
kiloelectron-volt keVelectron-volt eVerggigawatt-hour GW*h
megawatt-hour MW*hkilowatt-second kW*swatt-second W*s
newton meter N*mhorsepower hour hp*hkilocalorie (IT) kcal (IT)
kilocalorie (th) kcal (th)calorie (IT) cal (IT), calcalorie (th) cal (th)
mega Btu (IT) MBtu (IT)ton-hour (refrigeration)-fuel oil equivalent @kiloliter-
fuel oil equivalent @barrel (US)-gigaton Gtonmegaton Mton
kiloton ktonton (explosives)-dyne centimeter dyn*cm
gram-force meter gf*mgram-force centimeter-kilogram-force centimeter-
kilogram-force meter-kilopond meter kp*mpound-force foot lbf*ft
pound-force inch lbf*inounce-force inch ozf*infoot-pound ft*lbf
inch-pound in*lbfinch-ounce in*ozfpoundal foot pdl*ft
thermtherm ECtherm (US)-Hartree energy-
Rydberg constant-

Complete list of Energy converter units and its conversion.

  • 1 kilojoule [kJ] = 0.2390057361 kilocalorie (th) [kcal (th)]
    KJ to Kcal
  • 1 kilocalorie (th) [kcal (th)] = 4.184 kilojoule [kJ]
    Kcal to kj
  • 1 kilocalorie (th) [kcal (th)] = 999.33123149 calorie (IT) [cal (IT), cal]
    kcal to cal
  • 1 calorie (IT) [cal (IT), cal] = 0.0010006692 kilocalorie (th) [kcal (th)]
    cal to kcal
  • 1 joule [J] = 0.001 kilojoule [kJ]
    j to kj
  • 1 kilojoule [kJ] = 1000 joule [J]
    kj to j
  • 1 calorie (IT) [cal (IT), cal] = 209.34 kilojoule [kJ]
    calories to kj
  • 1 kilojoule [kJ] = 11.942294831 calorie (IT) [cal (IT), cal]
    kj to calories
  • 1 joule [kJ] = 0.047390856 Btu (IT) [Btu (IT), Btu]
    joules to btu