The International Committee for Weights and Measures (CIPM) approved a redefinition of the SI base units in November 2018 that defines the kilogram by defining the Planck constant to be exactly 6.62607015×10−34 kg⋅m2⋅s−1, effectively defining the kilogram in terms of the second and the metre. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. 980.665 hPa 7. However, the sizes of its units remained either too large or too small—by many orders of magnitude—for practical applications. 1 at 22. So yet another system was developed to rectify that: the ‘rationalized’ Gaussian system, usually called the Lorentz–Heaviside system. The frequency is defined as an interval of time, during which a physical system, e.g. The kilogram is now defined in terms of the second and the metre, based on fixed fundamental constants of nature. 735.559 mmHg 0°C (32°F) 16. The values are 107 metres (one half of a meridian of the Earth, called a quadrant) and 10−11 grams (called an eleventh-gram[Note 11]). 596, An Act to authorize the use of the metric system of weights and measures", "Metric System of Measurement:Interpretation of the International System of Units for the United States; Notice", "Magnetic Units and Other Subjects that Might Occupy Attention at the Next International Electrical Congress", Original manuscript with handwritten notes by Oliver Heaviside, International Electrotechnical Commission, "NIST Backs Proposal for a Revamped System of Measurement Units", "Draft Chapter 2 for SI Brochure, following redefinitions of the base units", "General Conference on Weights and Measures approves possible changes to the International System of Units, including redefinition of the kilogram", "Prescribing Information for Liquid Medicines", "Jestřebická hovězí šunka 10 dkg | Rancherské speciality", "Sedliacka šunka 1 dkg | Gazdovský dvor - Farma Busov Gaboltov", Steam cleaning a 1 kg prototype before a mass comparison, The IPK and its six sister copies in their vault, NIST Improves Accuracy of 'Watt Balance' Method for Defining the Kilogram, Are any problems caused by having the kilogram defined in terms of a physical artefact? [1] Physical standard masses such as the IPK and its replicas still serve as secondary standards. Moreover, the freedom gained by making an electric unit independent from the mechanical units could be used to rationalize Maxwell's equations. [13] UK law regulating the units to be used when trading by weight or measure does not prevent the use of either spelling. The kilogram is defined in terms of three fundamental physical constants: The speed of light c, a specific atomic transition frequency ΔνCs, and the Planck constant h. The formal definition is: This definition makes the kilogram consistent with the older definitions: the mass remains within 30 ppm of the mass of one litre of water.[5]. [16] While kilo as an alternative is acceptable, to The Economist for example,[17] the Canadian government's Termium Plus system states that "SI (International System of Units) usage, followed in scientific and technical writing" does not allow its usage and it is described as "a common informal name" on Russ Rowlett's Dictionary of Units of Measurement. However, the extremely inconvenient magnitudes of the base units for length and mass made it so that no one seriously considered adopting the QES system. Namely, the combination of the meter and the kilogram was the only choice of base units of length and mass such that 1. the volt-ampere—which is also called the watt and which is the unit of power in the practical system of electrical units—is coherent, 2. the base units of length and mass are decimal multiples or submultiples of the meter and the gram, and 3. the base units of length and mass have convenient sizes. Did You Know? Instant free online tool for Atomic mass unit to kilogram conversion or vice versa. Conversion of units describes equivalent units of mass in other systems. 98.0665 kPa 8. kg meaning: 1. written abbreviation for kilogram 2. abbreviation for kilogram 3. written abbreviation for…. Others were based on devices that measured either the acceleration or weight of hand-tuned kilogram test masses and which expressed their magnitudes in electrical terms via special components that permit traceability to physical constants. The joule and the watt also have convenient magnitudes and are decimal multiples of CGS coherent units for energy (the erg) and power (the erg per second). 1 kgf/cm² 10. It is defined as being equal to the mass of the international prototype of the kilogram. 28.9590 inHg 0°C (32°F) 18. Learn more. [38][39] This resolution was accepted by the 24th conference of the CGPM[40] in October 2011 and further discussed at the 25th conference in 2014. Top KGS acronym meaning: Kyrgyzstan Som All approaches depend on converting a weight measurement to a mass, and therefore require the precise measurement of the strength of gravity in laboratories. In fact, given that nobody wanted to replace the second as the base unit of time, the metre and the kilogram are the only pair of base units of length and mass such that 1. the watt is a coherent unit of power, 2. the base units of length and time are integer-power-of-ten ratios to the metre and the gram (so that the system remains 'metric'), and 3. the sizes of the base units of length and mass are convenient for practical use. ›› Definition: Kg. For example, the previous equation implies that ampere × volt is a coherent derived practical unit of power;[Note 10] this unit was named the watt. The word kilogramme or kilogram is derived from the French kilogramme,[8] which itself was a learned coinage, prefixing the Greek stem of χίλιοι khilioi "a thousand" to gramma, a Late Latin term for "a small weight", itself from Greek γράμμα. Kilogram becoming a base unit: the role of units for electromagnetism, The state of units for electromagnetism at the end of the 19th century, Acceptance of the Giorgi system, leading to the MKSA system and the SI, Redefinition based on fundamental constants, The French text (which is the authoritative text) states ", Let us show that, if it is known that the metre and the kilogram satisfy all three conditions, then no other choice does. [22][Note 2], As it happens, it is mostly because of units for electromagnetism that the kilogram rather than the gram was eventually adopted as the base unit of mass in the SI. Force unit conversion between newton and kg.m/s^2, kg.m/s^2 to newton conversion in batch, N kg.m/s2 conversion chart [2] This allows a properly-equipped metrology laboratory to calibrate a mass measurement instrument such as a Kibble balance as the primary standard to determine an exact kilogram mass, although the IPK and other precision kilogram masses remain in use as secondary standards for all ordinary purposes. There may be more than one definition of KGS, so check it out on our dictionary for all meanings of KGS one by one. 1000 cmH2O 4°C (39.2°F) 12. What are the differences between mass, weight, force and load? 98066.5 N/m² 5. How to use unit in a sentence. However, unlike the watt and the joule, the explicitly electrical and magnetic units (the volt, the ampere...) are not coherent even in the (absolute three-dimensional) meter-kilogram-second system. 'Kaplan Gehring McCarroll' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Unit definition is - the first and least natural number : one. This system is still used in some subfields of physics. 10000 mmH2O 4°C (39.2°F) 11. All Acronyms has a list of 83 KGS definitions. Also, explore tools to convert Atomic mass unit or kilogram to other weight and mass units or … The UK's National Physical Laboratory (NPL): Australian National Measurement Institute: International Bureau of Weights and Measures (BIPM): This page was last edited on 27 December 2020, at 04:54. 735.559 Torr 19. [Note 5] The only way to also make those units coherent with the metre-kilogram-second system is to modify that system in a different way: one has to increase the number of fundamental dimensions from three (length, mass, and time) to four (the previous three, plus one purely electrical one). The kilogram has since been redefined in terms of universal physical constants, including the speed of light and Planck's constant. (FAQ - Mass & Density), Redefining the kilogram through the Avogadro constant. This system proved very convenient for scientific work and is still widely used. 1. 0.0980665 MPa 9. Every quantity is best understood as a multiple of 1 unit (1 kg in this case). 980.665 mbar 4. The kilogram, symbol kg, is the SI unit of mass. KGS abbreviation stands for Kilogram. 1. Toggle navigation FORMFULL.IN. Yes, the unit is kilogram per kilogram, but it means kilogram of water (moisture) per kilogram of air. See, General Conference on Weights and Measures, International Committee for Weights and Measures, International Bureau of Weights and Measures, National Institute of Standards and Technology, widespread internal adoption of the SI system, Joint Commission on Accreditation of Healthcare Organizations, "Do Not Use" List: Abbreviations, Acronyms, and Symbols, "The new kilogram just debuted. Unfortunately, they were not coherent with the then-prevailing base units for length and mass, the centimeter and the gram. Likely candidates for the fourth independed unit included the coulomb, the ampere, the volt, and the ohm, but eventually the ampere proved to be the most convenient as far as metrology. You can find metric conversion tables for SI units, as well as English … This was a simple definition, but difficult to use in practice. [1] The kilogram was the last of the SI units to be defined by a physical artefact. ConvertUnits.com provides an online conversion calculator for all types of measurement units. 735559 µHg 0°C (32°F) 25. 1000 kPa ≈ 145 lbf/in 2. https://en.wikipedia.org/w/index.php?title=Kilogram&oldid=996536031, Articles containing Ancient Greek (to 1453)-language text, Articles containing potentially dated statements from 2020, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License. The reason is that electrical quantities cannot be isolated from mechanical and thermal ones: they are connected by relations such as current × electric potential difference = power. Approximate conversions (rounded to some arbitrary number of digits, except when denoted by "≡") are shown in the following table. The SI Brochure states that "It is not permissible to use abbreviations for unit symbols or unit names ...". To summarize, the ultimate reason why the kilogram was chosen over the gram as the base unit of mass was, in one word, the volt-ampere. are not. The volt was chosen as, To see this, we first note that the dimensions of energy are, Criterion: A combined total of at least five occurrences on the, The practice of using the abbreviation "mcg" rather than the SI symbol "μg" was formally mandated in the US for medical practitioners in 2004 by the, The density of water is 0.999972 g/cm3 at 3.984 °C. [Note 3] This would still leave out the purely electrical and magnetic units: while the purely mechanical practical units such as the watt are coherent in the metre-kilogram-second system, the explicitly electrical and magnetic units such as the volt, the ampere, etc. Looking for the definition of KGM? Kilogram definition, a unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units (SI). Meanwhile, there were parallel developments that, for independent reasons, eventually resulted in three additional fundamental dimensions, for a total of seven: those for temperature, That is, units which have length, mass, and time as base dimensions and that are. Visit to know long meaning of KGS acronym and abbreviations. [31] In 1935, Giorgi's proposal was adopted by the IEC as the Giorgi system. But Giorgi pointed out that the volt and the rest could be made coherent if one gave up on the idea that all physical quantities must be expressible in terms of dimensions of length, mass, and time, and admitted a fourth base dimension for electric quantities. For this reason, the practical system also included coherent units for certain mechanical quantities. You can down the image file in PNG format for offline use or send it to your friends by email. 73.5559 cmHg 0°C (32°F) 17. The Kibble balance is one way to do this. It is one of the best place for finding expanded names. Pressure units Pascal Bar Technical atmosphere Standard atmosphere Torr Pound per square inch (Pa) (bar) (at) (atm) (Torr) (lbf/in 2) 1 one where only length, mass, and time are the base dimensions) was a departure from a viewpoint that seemed to underlie the early breakthroughs by Gauss and Weber (especially their famous ‘absolute measurements' of Earth's magnetic field[30]:54–56), and it took some time for the scientific community to accept it—not least because many scientists clung to the notion that the dimensions of a quantity in terms of length, mass, and time somehow specify its ‘fundamental physical nature’. The idea that one should give up on having a purely ‘absolute’ system (i.e. For quite a long time, the ESU and EMU units did not have special names; one would just say, e.g. In 1946 the CIPM approved a proposal to adopt the ampere as the electromagnetic unit of the "MKSA system". kg - one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites; "a kilogram is approximately 2.2 pounds" The kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), the current metric system, having the unit symbol kg. I've seen many internet articles that mention 'kgs' as the plural of kg, but it's wrong according to the rules of physics. [34] This led to the launch of SI in 1960. Let me explain this to you: 3 kg = 3 x 1 kg. Du temps où il était en vigueur, le prototype international du kilogramme était rarement … Quatre des sept unités de base du Système international sont définies par rapport au kilogramme, donc sa stabilité est importante. It was noticed that the purely mechanical practical units such as the watt would be coherent in a system in which the base unit of length was the meter and the base unit of mass was the kilogram. The CGS and MKS systems co-existed during much of the early-to-mid 20th century, but as a result of the decision to adopt the "Giorgi system" as the international system of units in 1960, the kilogram is now the SI base unit for mass, while the definition of the gram is derived from that of the kilogram. 20 (March 1985). [21], The SI system was introduced in 1960, and in 1970 the BIPM started publishing the SI Brochure, which contains all relevant decisions and recommendations by the CGPM concerning units. Get KGS full form and full name in details. Finally, on top of all this, in both CGS-ESU and CGS-EMU as well as in the Gaussian system, Maxwell's equations are ‘unrationalized', meaning that they contain various factors of 4π that many workers found awkward. It is the only SI base unit that employs a prefix [1], and the only SI unit that is still defined in relation to an artifact rather than to a fundamental physical property. Alternate unit of measure conversion is maintained with respect to base unit of measure in additional data of material master. That is, it is the weight of a kilogram under standard gravity. At the 94th Meeting of the International Committee for Weights and Measures (CIPM) in 2005, it was recommended that the same be done with the kilogram.[37]. Therefore, one kilogram-force is by definition equal to 9.80665 N. Similarly, a gram-force is 9.80665 mN, and a milligram-force is 9.80665 μN. In the practical system, we know that the base unit of time is the second, so the coulomb per ampere gives the second. This led to several competing efforts to develop measurement technology precise enough to warrant replacing the kilogram artefact with a definition based directly on physical fundamental constants. To circumvent this difficulty, a third set of units was introduced: the so-called practical units. Kilogram definition is - the base unit of mass in the International System of Units that is equal to the mass of a prototype agreed upon by international convention and that is nearly equal to the mass of 1000 cubic centimeters of water at the temperature of its maximum density. Thus, people working on practical applications of electricity had to use units for electrical quantities and for energy and power that were not coherent with the units they were using for e.g. [9] [Note 9] Indeed, the main reason why the meter and the kilogram were later chosen to be the base units of length and mass was that they are the only combination of reasonably sized decimal multiples or submultiples of the meter and the gram that can in any way be made coherent with the volt, the ampere, etc. [43] For instance, one-millionth of a kilogram is 1 mg (one milligram), not 1 μkg (one microkilogram). [41] Such a definition would theoretically permit any apparatus that was capable of delineating the kilogram in terms of the Planck constant to be used as long as it possessed sufficient precision, accuracy and stability. ›› Metric conversions and more. Please note that Kings is not the only meaning of KGS. The replacement of the International Prototype of the Kilogram as primary standard was motivated by evidence accumulated over a long period of time that the mass of the IPK and its replicas had been changing; the IPK had diverged from its replicas by approximately 50 micrograms since their manufacture late in the 19th century. length, mass, and force. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10 −34 when expressed in the unit J⋅s, which is equal to kg⋅m 2 ⋅s −1, where the metre and the second are defined in terms of c and Δν Cs. 393.701 inH2O 4°C (39.2°F) 14. fcc-fac.ca . The Atomic mass unit [u] to kilogram [kg] conversion table and conversion steps are also listed. Updated March 2020. Unit of issue It is defined in work scheduling view of the material master. In 1889, a cylinder of platinum-iridium, the International Prototype of the Kilogram (IPK) became the standard of the unit of mass for the metric system, and remained so until 2019. The kilogram or kilogramme, (symbol: kg) is the SI base unit of mass. which revised the provisional system of units introduced by the French National Convention two years earlier, where the gravet had been defined as weight (poids) of a cubic centimetre of water, equal to 1/1000 of a grave. The practical units were obtained as decimal multiples of coherent CGS-EMU units, chosen so that the resulting magnitudes were convenient for practical use and so that the practical units were, as far as possible, coherent with each other. Looking for the definition of KGS? [33]:109,110 In 1948 the CGPM commissioned the CIPM "to make recommendations for a single practical system of units of measurement, suitable for adoption by all countries adhering to the Metre Convention". The former standard spelling and abbreviation "deka-" and "dk" produced abbreviations such as "dkm" (dekametre) and "dkg" (dekagram). 227.573 oz/in² 24. What does KGS stand for? 98066.5 Pa 6. Weights and Measurements. Learn more. A tonne per cubic meter (t/m³) is a derived metric SI (System International) measurement unit of density, that used to measure volume in cubic meters in order to estimate weight or mass in tonnes. fcc-fac.ca. The coherent unit of power, when written out in terms of the base units of length, mass, and time, is (base unit of mass) × (base unit of length), A system in which the base quantities are length, mass, and time, and, We will see that there is only one three-dimensional 'absolute' system. As part of this project, a variety of very different technologies and approaches were considered and explored over many years. Le kilogramme, dont le symbole est kg, est l'unité de base de masse dans le Système international d'unités (SI). Kg definition: kg is an abbreviation for → kilogram or → kilograms . A gram is defined as one thousandth of a kilogram. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. The kilogram was originally defined in 1795 as the mass of one litre of water. All Acronyms. [41][42] Although the Committee recognised that significant progress had been made, they concluded that the data did not yet appear sufficiently robust to adopt the revised definition, and that work should continue to enable the adoption at the 26th meeting, scheduled for 2018. Kilogram (kg), basic unit of mass in the metric system. It is equal to the magnitude of the force exerted on one kilogram of mass in a 9.80665 m/s2 gravitational field. However, the units in that system are related to Gaussian units by factors of √4π ≈ 3.5, which means that their magnitudes remained, like those of the Gaussian units, either far too large or far too small for practical applications. Conversion of units describes equivalent units of mass in other systems. To begin with, there were two obvious choices for absolute units. Meanings of KGS in English As mentioned above, KGS is used as an acronym in text messages to represent Kings. Meanwhile, scientists developed a yet another fully coherent absolute system, which came to be called the Gaussian system, in which the units for purely electrical quantities are taken from CGE-ESU, while the units for magnetic quantities are taken from the CGS-EMU. for telegraphy). Abbreviation: … However, as the century drew to a close, there was widespread dissatisfaction with the state of units for electricity and magnetism in the CGS system. These are the weights and measures popular in North India before the adoption of the metric system. [18][19] When the United States Congress gave the metric system legal status in 1866, it permitted the use of the word kilo as an alternative to the word kilogram,[20] but in 1990 revoked the status of the word kilo. KGS stands for Kilogram. See more. The coherent unit of energy is then the watt times the second, which was named the joule. The word kilogramme was written into French law in 1795, in the Decree of 18 Germinal,[10] A gram is defined as one thousandth of a kilogram. In 1901, Giovanni Giorgi proposed a new system of units that would remedy this state of affairs. 10 mH2O 4°C (39.2°F) 13. | Meaning, pronunciation, translations and examples The kilogram or kilogramme, (symbol: kg) is the SI base unit of mass. Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France. 14.2233 psi 3. In 1960, the metre, previously similarly having been defined with reference to a single platinum-iridium bar with two marks on it, was redefined in terms of an invariant physical constant (the wavelength of a particular emission of light emitted by krypton,[36] and later the speed of light) so that the standard can be independently reproduced in different laboratories by following a written specification. Search options; Acronym Meaning; How to Abbreviate; List of Abbreviations; Popular categories; Business; Medical; Military; Slang; Technology; Clear; Suggest . As the pascal is very small unit, relative to industrial pressures, the kilopascal is commonly used. A Yottavolt is a SI-multiple (see prefix Exa) of the electric potential unit volt and equal to 1.0 × 10 +24 V). [Note 8]. [28] He noted that the mechanical practical units such as the joule and the watt are coherent not only in the QES system, but also in the meter-kilogram-second (MKS) system. The new definition took effect on 20 May 2019. [Note 7] of electromagnetism: the ‘electrostatic’ (CGS-ESU) system and the ‘electromagnetic’ (CGS-EMU) system. 'Kansas Geological Survey' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. 32.8084 ftH2O 4°C (39.2°F) 15. All approaches would have precisely fixed one or more constants of nature at a defined value. By the latest definitions of the unit, however, this relationship still has an accuracy of 30 ppm. However, the 'practical units' also included some purely mechanical units; in particular, the product of the ampere and the volt gives a purely mechanical unit of power, the watt. Indeed, one can work out what the base units of length and mass have to be in order for all the practical units to be coherent (the watt and the joule as well as the volt, the ampere, etc.). In the United Kingdom, because serious medication errors have been made from the confusion between milligrams and micrograms when micrograms has been abbreviated, the recommendation given in the Scottish Palliative Care Guidelines is that doses of less than one milligram must be expressed in micrograms and that the word, The hectogram (100 g) is a very commonly used unit in the retail food trade in Italy, usually called an. [1][3][35], Prior to the redefinition, the kilogram and several other SI units based on the kilogram were defined by a man-made metal artefact: the Kilogramme des Archives from 1799 to 1889, and the International Prototype of the Kilogram from 1889 onward.[1]. 980665 dyn/cm² 23. Find out what is the full meaning of KGM on Abbreviations.com! In October 2010, the CIPM voted to submit a resolution for consideration at the General Conference on Weights and Measures (CGPM), to "take note of an intention" that the kilogram be defined in terms of the Planck constant, h (which has dimensions of energy times time, thus mass × length2 / time) together with other physical constants. By the 1920s, dimensional analysis had become much better understood[29] and it was becoming widely accepted that the choice of both the number and of the identities of the fundamental dimensions should be dictated by convenience only and that there is nothing truly fundamental about the dimensions of a quantity. [14], In the 19th century the French word kilo, a shortening of kilogramme, was imported into the English language where it has been used to mean both kilogram[15] and kilometre. [Note 6], During the second half of the 19th century, the centimetre–gram–second system of units was becoming widely accepted for scientific work, treating the gram as the fundamental unit of mass and the kilogram as a decimal multiple of the base unit formed by using a metric prefix. It's a massive achievement", "The Latest: Landmark Change to Kilogram Approved", "Décret relatif aux poids et aux mesures du 18 germinal an 3 (7 avril 1795)", "H.R. Find out what is the full meaning of KGS on Abbreviations.com! KGS stands for Kilogram (also Kings and 87 more) What is the abbreviation for Kilogram?-1. The relevant series of discussions and decisions started roughly in the 1850s and effectively concluded in 1946. In the United Kingdom both spellings are used, with "kilogram" having become by far the more common. All these conversion can be obtained from the table MARM. Avogadro and molar Planck constants for the redefinition of the kilogram, Realization of the awaited definition of the kilogram, "In the balance: scientists vote on first change to kilogram in a century". The French spelling was adopted in Great Britain when the word was used for the first time in English in 1795,[12][8] with the spelling kilogram being adopted in the United States. (in Britain)Knight of the Order of the Garter, According to the price list issued by Capital Development Authoritys (CDA) Directorate of Municipal Administration for weekly bazaars, potatoes were being sold at Rs 84 per five, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Prices of fruit, vegetables skyrocketing in capital. The kilogram-force, or kilopond, is a non-standard gravitational metric unit of force. "The role of the Planck constant in physics" - presentation at 26th CGPM meeting at Versailles, France, November 2018 when voting on superseding the IPK took place. The microgram is typically abbreviated "mcg" in pharmaceutical and nutritional supplement labelling, to avoid confusion, since the "μ" prefix is not always well recognised outside of technical disciplines. Item unit of measure codes are used in international trade as adopted by the ECB Working party on Facilitation of International Trade Procedures in Recommendation No. Weights and Measurements. It is this system that has since then been called the MKS system,[32] After sending a small quantity (100 kgs) of veal to its two Japanese importers in late December (to make sure it passed customs, explained Batista), Écolait began exporting large quantities to the island-nation this week: an air shipment of between 1,100-3,000 kgs and a sea container of 20,000 kgs. The pound is defined as equal to 0.45359237 kg, exactly. The kilogram or kilogramme, (symbol: kg) is the SI base unit of mass. Any practical electrical unit could be chosen as the new fundamental unit, independent from the meter, kilogram, and second. Therefore, the full absolute system of units in which the practical electrical units are coherent is the quadrant–eleventh-gram–second (QES) system. Kgs definition: Kings | Meaning, pronunciation, translations and examples [11] In the decree of 1795, the term gramme thus replaced gravet, and kilogramme replaced grave. But the main problem was that the sizes of coherent electric and magnetic units were not convenient in either of these systems; for example, the ESU unit of electrical resistance, which was later named the statohm, corresponds to about 9×1011 ohm, while the EMU unit, which was later named the abohm, corresponds to 10−9 ohm. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo in everyday speech. 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