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## Units of mass

There are three similar units of mass called the ton: Unsolved problems in physics: What causes anything to have mass? The U.S. National Prototype Kilogram, which currently serves as the primary standard for measuring mass in the U.S. Mass is the property of a physical object that quantifies the amount of matter and energy it is equivalent to. ...

1. long ton (simply ton in countries such as the United Kingdom which formerly used the Imperial system of weights and measures) is a weight ton or gross ton, and is 2,240 lb (exactly 1,016.0469088 kg). In the UK and most of the areas which used the Imperial system, the metric tonne (1000 kg), which it is conveniently very similar to—less than 2% difference—is the only form of ton legal for trade.
• In the iron industry in the 17th century and 18th century, a ton shortweight was the standard 2240 lb., whereas a ton longweight was 2400 lb. (the hundredweight being 120 lb.)
• The long ton is used for petroleum products such as aviation fuel.
• Deadweight ton (abbreviation 'dwt') is a measure of a ship's carrying capacity, including bunker oil, fresh water, crew and provisions. It is expressed in metric tons (1,000 kg) or long tons (2,240 pounds, about 1,016 kg)[1]. This measurement is also used in the U.S. tonnage of naval ships.
• Increasingly, metric tonnes are being used rather than long tons in measuring the displacement of ships. See tonnage.
2. short ton (usually called simply ton, in the USA or sometimes called a net ton) = 2000 lb (exactly 907.18474 kg).
3. metric ton, usually referred to as a tonne, is 1000 kg (or 1 Mg) or approximately 2,204.6 pounds.

Both the long ton and the short ton are composed of twenty hundredweights, each having different values for the hundredweight (112 and 100 pounds respectively). Prior to the 15th century in England, the ton was composed of 20 hundredweights, each of 108 lb, giving a ton of 2160 pounds. A long ton is the name used in the US for the unit called the ton in the avoirdupois or Imperial system of measurements, as used (alongside the metric system) in the United Kingdom and to some extent in other Commonwealth countries. ... The Imperial units or the Imperial system is a collection of English units, first defined in the Weights and Measures Act of 1824, later refined (until 1959) and reduced. ... (Redirected from 1 E3 kg) Categories: Orders of magnitude (mass) ... A tonne or metric ton (symbol t), sometimes referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms. ... (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ... (17th century - 18th century - 19th century - more centuries) As a means of recording the passage of time, the 18th century refers to the century that lasted from 1701 through 1800. ... An aviation fuel truck. ... A tonne or metric ton (symbol t), sometimes referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms. ... Tonnage is a measure of the size or cargo capacity of a ship. ... The short ton is a unit of mass equal to 907. ... To help compare different orders of magnitude we list here masses between 100 and 1000 kilograms. ... (19th century - 20th century - 21st century - more centuries) Decades: 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s As a means of recording the passage of time, the 20th century was that century which lasted from 1901&#8211;2000 in the sense of the Gregorian calendar (1900&#8211;1999... A tonne or metric ton (symbol t), sometimes referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms. ... KG, Kg or kg may indicate: A Kampfgeschwader, a bomber squadron of the former German Luftwaffe Basketball Player Kevin Garnett An abbreviation for kilogram (always kg) Knight of the Garter, a British decoration Kommanditgesellschaft, German version of a limited partnership Kongo language (ISO 639 alpha-2) An abbreviation for konig... (Redirected from 1 E3) For the techno single by Moby, see Thousand (single). ... Pound may refer to Look up pound in Wiktionary, the free dictionary. ... Hundred weight or hundredweight is a unit of measurement for mass in both the system of measurement used in the United Kingdom (and previously throughout the British Commonwealth), and in the system used in the United States. ... (14th century - 15th century - 16th century - other centuries) As a means of recording the passage of time, the 15th century was that century which lasted from 1401 to 1500. ... Motto (French) God and my right Anthem God Save the King (Queen) England() â€“ on the European continent() â€“ in the United Kingdom() Capital (and largest city) London (de facto) Official languages English (de facto) Government Constitutional monarchy  -  Queen Queen Elizabeth II  -  Prime Minister Tony Blair MP Unification  -  by Athelstan 967  Area...

Assay ton (abbreviation 'AT') is not a unit of measurement (nobody ever has x assay tons of something), but rather a standard quantity used in assaying ores of precious metals; it is 29 1/6 grams (short assay ton) or 32 2/3 grams (long assay ton), the amount which bears the same ratio to a milligram as a short/long ton bears to a troy ounce. In other words, the number of milligrams of a particular metal found in a sample of this size gives the number of troy ounces contained in a short/long ton of ore. An assay is a procedure where the concentration of a component part of a mixture is determined. ... Troy weight is a system of units of mass customarily used for precious metals and gemstones. ...

In documents which predate 1960 the word ton may be spelt tonne, however in more recent documents the spelling tonne refers exclusively to the metric tonne. A tonne or metric ton (symbol t), sometimes referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms. ...

In the context of nuclear power plants, tHM and MTHM mean (metric) tonnes of heavy metal, and MTU means metric tonnes of uranium. In the steel industry, the acronym THM has the meaning 'tons/tonnes hot metal', which refers to the amount of liquid iron or steel that is produced A nuclear power station. ... A heavy metal is any of a number of higher atomic weight elements, which has the properties of a metallic substance at room temperature. ... General Name, Symbol, Number uranium, U, 92 Chemical series actinides Group, Period, Block n/a, 7, f Appearance silvery gray metallic; corrodes to a spalling black oxide coat in air Standard atomic weight 238. ... The steel cable of a colliery winding tower. ...

A dry ton or dry tonne has the same mass value, but the material (sludge, slurries, compost, and similar mixtures in which solid material is soaked with or suspended in water) has been dried to a relatively low, consistent moisture level (dry weight). If the material is in its natural, wet state, it is called a wet ton or wet tonne. SLUDGE (Scripting Language for Unhindered Development of a Gaming Environment) is a shareware adventure game engine developed by Hungry Software. ... A handful of compost Compost is the aerobically decomposed remnants of organic materials (those with plant and animal origins). ... Impact from a water drop causes an upward rebound jet surrounded by circular capillary waves. ... Dew on a spider web Moldy bread Moisture generally refers to the presence of water, often in trace amounts. ... Dry weight may refer to: the weight of an automobile or motorcycle with standard equipment, no motor oil, coolant or fuel and not loaded with either passengers or cargo. ...

## Common abbreviations

In the U.S. mining industry, 'T' is used to distinguish the traditional ton from the metric ton, but 'T' is also the SI symbol for the tesla. The symbol 't', traditionally used for the long or short ton, is now reserved for the metric tonne.

## Units of force

There are also the units of force based on each of these three mass units, but none are acceptable for use with SI. The tonne force, like the kilogram force, is no exception. Only the tonne as a unit of mass is acceptable for use with SI. Look up si, Si, SI in Wiktionary, the free dictionary. ...

• 1 short ton force = 2000 pounds-force (lbf) = 8.896443230521 kilonewtons (kN)
• 1 long ton force = 2240 lbf = 9.96401641818352 kN
• 1 tonne force = 1000 kgf = 9.80665 kN

The pound-force is a non-SI unit of force or weight (properly abbreviated lbf or lbf). The pound-force is equal to a mass of one pound multiplied by the standard acceleration due to gravity on Earth (which is defined as exactly 9. ... The kilonewton, symbol kN, is an SI unit of force. ... The deprecated unit kilogram-force (kgf) or kilopond (kp) is the force exerted by one kilogram of mass in standard Earth gravity (defined as exactly 9. ...

## Units of volume

Also see tonnage. Tonnage is a measure of the size or cargo capacity of a ship. ...

The freight ton or measurement ton is a unit of volume used for describing ship capacities (tonnage) or cargo. One measurement ton is equal to: Italian Full rigged ship Amerigo Vespucci in New York Harbor, 1976 A ship is a large watercraft capable of deep water navigation. ... Tonnage is a measure of the size or cargo capacity of a ship. ...

The measurement ton is abbreviated as M/T, MT, or MTON, which can cause it to be confused with the metric ton. It has been suggested that Thousand Cubic Feet be merged into this article or section. ... The cubic yard (symbols ydÂ³, cu. ... The litre or liter (U.S. spelling, see spelling differences) is a unit of volume. ... The cubic meter (symbol mÂ³) is the SI derived unit of volume. ... A tonne or metric ton (symbol t), sometimes referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms. ...

The register ton is also a unit of volume used for the cargo capacity of a ship, defined as 100 cubic feet (roughly 2.83 cubic metres). It is often abbreviated GRT for gross registered ton. It is known as a tonneau de mer in Belgium, but, in France, a tonneau de mer is 1.44 cubic metres or about 1.88 cubic yards.

The Panama Canal net ton, a unit of volume used for billing for ships going through the Panama Canal, is the same as the register ton. The fee for example in the 1990s was roughly a couple USD for each unit. MCMXC redirects here; for the Enigma album, see MCMXC a. ... The United States dollar is the official currency of the United States. ...

The water ton was formerly used in Great Britain and equal to 224 imperial gallons (the volume occupied by a mass of one long ton under the conditions which define the imperial gallon). Imperial Measure was a former system of measurement used in some Commonwealth nations, most notably the United Kingdom and Canada. ...

See 1 E-1 m³ and orders of magnitude (volume) for a comparison with other volumes. To help compare different orders of magnitudes this page lists volumes from at 10-1 m3 to 1 m3. ... The pages linked in the right-hand column contain lists of volumes that are of the same order of magnitude (power of ten). ...

(Note that volume tons are units of convenience used in shipping and are not useful in science except that they are exactly defined.)

## Units of energy and power

### Ton of TNT

Main article: TNT equivalent
• A ton of TNT or tonne of TNT is a unit of energy equal to 109 (thermochemical) calories, also known as a gigacalorie (Gcal), equal to 4.184 gigajoules (GJ).
• A kiloton of TNT or kilotonne of TNT is a unit of energy equal to 1012 calories, also known as a teracalorie (Tcal), equal to 4.184 terajoules (TJ).
• A megaton of TNT (1,000,000 metric tonnes) or megatonne of TNT is a unit of energy equal to 1015 calories, also known (infrequently) as a petacalorie (Pcal), equal to 4.184 petajoules (PJ).

Note that these are small calories (cal). The dietary Calorie (Cal) is distinct and equal to one kilocalorie. Unit of energy commonly used to quantify laerge amounts of energy. ... A calorie is a unit of measurement for energy. ... Look up giga- in Wiktionary, the free dictionary. ... A calorie is a unit of measurement for energy. ... Look up giga- in Wiktionary, the free dictionary. ... A calorie is a unit of measurement for energy. ... Look up giga- in Wiktionary, the free dictionary. ... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... Look up giga- in Wiktionary, the free dictionary. ... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... tera- (symbol: T) is a prefix in the SI system of units denoting 1012, or 1 000 000 000 000. ... A calorie is a unit of measurement for energy. ... tera- (symbol: T) is a prefix in the SI system of units denoting 1012, or 1 000 000 000 000. ... A calorie is a unit of measurement for energy. ... tera- (symbol: T) is a prefix in the SI system of units denoting 1012, or 1 000 000 000 000. ... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... tera- (symbol: T) is a prefix in the SI system of units denoting 1012, or 1 000 000 000 000. ... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... A megaton or megatonne is a unit of mass equal to 1,000,000 metric tons, i. ... Peta can refer to: Peta (prefix), a prefix meaning times 1015 in the International System of Units People for the Ethical Treatment of Animals (PETA), an animal-rights organization People Eating Tasty Animals, a parody of People for the Ethical Treatment of Animals Peta, Greece, a town in the prefecture... A calorie is a unit of measurement for energy. ... Peta can refer to: Peta (prefix), a prefix meaning times 1015 in the International System of Units People for the Ethical Treatment of Animals (PETA), an animal-rights organization People Eating Tasty Animals, a parody of People for the Ethical Treatment of Animals Peta, Greece, a town in the prefecture... A calorie is a unit of measurement for energy. ... Peta can refer to: Peta (prefix), a prefix meaning times 1015 in the International System of Units People for the Ethical Treatment of Animals (PETA), an animal-rights organization People Eating Tasty Animals, a parody of People for the Ethical Treatment of Animals Peta, Greece, a town in the prefecture... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... Peta can refer to: Peta (prefix), a prefix meaning times 1015 in the International System of Units People for the Ethical Treatment of Animals (PETA), an animal-rights organization People Eating Tasty Animals, a parody of People for the Ethical Treatment of Animals Peta, Greece, a town in the prefecture... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ...

Early values for the explosive energy released by trinitrotoluene (TNT) ranged from 900 to 1100 calories per gram. In order to standardise the use of the term TNT as a unit of energy, an arbitrary value was assigned based on 1000 calories (1 kcal, 4.184 kilojoules) per gram. Thus there is no longer a direct connection to the chemical TNT itself. It is now merely a unit of energy that happens to be expressed using words normally associated with mass (e.g. kilogram, tonne, pound) (IAEA references: [2], [3]). The definition applies for both spellings: ton of TNT and tonne of TNT. R-phrases S-phrases Related Compounds Related compounds picric acid hexanitrobenzene Except where noted otherwise, data are given for materials in their standard state (at 25 Â°C, 100 kPa) Infobox disclaimer and references Trinitrotoluene (TNT) is a chemical compound with the formula C6H2(NO2)3CH3. ... The joule (symbol J, also called newton metre, or coulomb volt) is the SI unit of energy and work. ...

Measurements in tons of TNT have been used primarily to express nuclear weapon yields, though they have also been used since in seismology as well. // The explosive yield of a nuclear weapon is the amount of energy discharged when the weapon is detonated, expressed usually in the equivalent mass of trinitrotoluene (TNT), either in kilotons (thousands of tons of TNT) or megatons (million of tons of TNT), but sometimes also in terajoules (1 kiloton of... Seismology (from the Greek seismos = earthquake and logos = word) is the scientific study of earthquakes and the propagation of elastic waves through the Earth. ...

### ton of coal equivalent

• A ton of coal equivalent or tonne of coal equivalent (TCE), a conventional value of 7 Gcal (IT) = 29.3076 GJ.

### ton of oil equivalent

• A ton of oil equivalent or tonne of oil equivalent (TOE), a conventional value of 10 Gcal (IT) = 41.868 GJ ≈ 10.0067 ton of TNT. See also GTOE.

The ton of oil equivalent (TOE) is a unit for measuring energy. ... Gtoe is an abbreviation for giga tonne oil equivalent, a common measure of global energy. ...

### Refrigeration ton

The unit ton is used in refrigeration and air-conditioning to measure heat absorption. Prior to the introduction of mechanical refrigeration, cooling was accomplished by delivering ice. Installing one ton of refrigeration replaced the daily delivery of one ton of ice. In the broadest sense air conditioning can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air, typically for thermal comfort. ...

• In the United States, a standard ton of refrigeration = 12000 BTU/h = 200 BTU/min ≈ 3517 W. It is approximately the power required to cool 1 short ton of water by 1 °F every 10 minutes; or the power required to melt one short ton (2000 lb) of water at 0 °C in 24 hours.
• A ton is also a unit of energy equal to that power for a period of a day, or 24 h × 12 000 BTU/h = 288 000 BTU ≈ 303.9 megajoule.
• A less common usage is the power required to cool 1 long ton of water by 1 °F every 10 minutes = 13 440 BTU/h ≈ 3 939 W.
• A British unit of refrigeration is 237.6 BTU/min = 4117.8 W

[1][2] [3] The British thermal unit (BTU) is a non-metric unit of energy, used in the United States and, to a certain extent, the UK. The SI unit is the joule (J), which is used by most other countries. ... The watt (symbol: W) is the SI derived unit of power, equal to one joule per second. ... Fahrenheit is a temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686â€“1736), who proposed it in 1724. ... The pound (abbreviations: lb or, sometimes in the United States, #) is a unit of mass in a number of different systems, including various systems of units of mass that formed part of English units, Imperial units, and United States customary units. ... The joule (IPA pronunciation: or ) (symbol: J) is the SI unit of energy. ... The watt (symbol: W) is the SI derived unit of power, equal to one joule per second. ...

## Miscellaneous tons

• Ton is also used informally to mean a large amount of something (material or not).
• In motor vehicles, many trucks are classified into groups loosely related to their off-road carrying capacity, as 1/4-ton (the first Jeep was so classified), 1/2-ton, 3/4-ton, 2 1/2-ton (deuce-and-a-half in U.S. military slang), 5-ton, etc. Of course, the vehicles weigh much more than this, and according to military classification are allowed to carry double the cargo on roads.
• Conversely in some cases the weight refers to the maximum gross road weight including cargo, for example a British 3.5-tonne van is the largest vehicle that can be legally driven on an ordinary driver's license.
• The ton meant the upper levels of London society in the Regency period. Ton comes from the French word meaning tone, as used in the phrase bon ton - good manners and fashionable style.
• In Britain ton can refer to the speed of motor vehicles. It specifically refers to the speed of 100 miles per hour e.g. "Lee was doing a ton down the motorway".

The driver of this DAF tractor with an auto-transport semi-trailer truck prepares to offload Å koda Octavia cars in Cardiff, Wales For other articles with similar names, see Lorry (disambiguation) and truck (disambiguation). ... Jeep is an automobile marque (and registered trademark) of DaimlerChrysler. ... This page is a candidate to be copied to Wiktionary using the Transwiki process. ... The English Regency, or simply the Regency, is a name given to the period from 1811 to 1820 in the history of England. ...

Conversion of units refers to conversion factors between different units of measurement for the same quantity. ... This article needs to be cleaned up to conform to a higher standard of quality. ... This article needs to be cleaned up to conform to a higher standard of quality. ... English unit is an American term that refers to a unit in one of a number of systems of units of measurement, some obsolete, and some still in use. ... The Imperial units or the Imperial system is a collection of English units, first defined in the Weights and Measures Act of 1824, later refined (until 1959) and reduced. ... The U.S. customary units (more commonly known in the US as English units or standard units) are the non-metric units of measurement that are presently used in the United States, in some cases alongside the metric system of units. ...

## References

1. ^ ton (of refrigeration). Sizes.com. Retrieved on 2006-09-01.
2. ^ Gérard P. Michon. Measurements and Units. Retrieved on 2006-09-01.
3. ^ Marks' Standard handbook for Mechanical Engineers, 8th Ed., McGraw Hill, p. 19-3

Results from FactBites:

 Ton - Wikipedia, the free encyclopedia (1248 words) The word ton or tonne is derived from the Old English tunne, and ultimately from the Old French tonne, and referred originally to a large cask with a capacity of 252 wine gallons, which holds approximately 2100 pounds of water. As a displacement ton the long ton is normally measured as the mass of 35 cubic feet of sea water. The water ton was formerly used in Great Britain and equal to 224 imperial gallons (the volume occupied by a mass of one long ton under the conditions which define the imperial gallon).
 Short ton - Wikipedia, the free encyclopedia (170 words) The short ton is a unit of mass equal to 2000 lb (exactly 907.18474 kg). In the United States it is often called simply "ton" without distinguishing it from the metric ton (or tonne) and the long ton —rather, the other two are specifically noted. Both long and short tons are defined as 20 hundredweights, but a hundredweight is 112 pounds (which is equal to 8 stone) in the Imperial system (long or gross hundredweight) and 100 pounds in the US system (short or net hundredweight).
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