141 relations: Acre, Acre-foot, Alcohol proof, Aluminium foil, American wire gauge, Ammunition, Apothecaries' system, Apple, Atmosphere (unit), Australia, Avoirdupois system, Barrel (unit), Board foot, British Empire, British thermal unit, Bushel, Cable length, Calorie, Canada, Carat (mass), Celsius, Centimetre–gram–second system of units, Central Intelligence Agency, Chain (unit), Circular mil, Commonwealth of Nations, Comparison of the imperial and US customary measurement systems, Conversion of units, Copper tubing, Cord (unit), Cubic foot, Cubic inch, Cubic yard, Cup (unit), Dessert spoon, Dram (unit), Drop (unit), Drum (container), Dry measure, Electrical resistance and conductance, English units, Fahrenheit, Fathom, Federal Register, Fluid ounce, Food and Drug Administration, Foot (unit), Foot-pound (energy), Foot–pound–second system, Force, ..., Fruit, Furlong, Gallon, Geodetic datum, Gill (unit), Grain (unit), Gram, Grape, Hand (unit), Heat flux, History of measurement, Hogshead, Horsepower, Hundredweight, Imperial units, Inch, International System of Units, International yard and pound, ISO metric screw thread, Kelvin, Kilogram, Knitting needle, Langley (unit), League (unit), Leather, Liberia, Linear function, Link (unit), Long ton, Mass, Mendenhall Order, Metre, Metric system, Metrication in the United States, Mile, Minim (unit), MKS system of units, Myanmar, National Institute of Standards and Technology, Nautical mile, Nominal Pipe Size, North American Datum, Ohm, Ounce, Parts-per notation, Peck, Pennyweight, Pica (typography), Pint, Plan for Establishing Uniformity in the Coinage, Weights, and Measures of the United States, Point (typography), Pound (force), Pound (mass), Pounds per square inch, Quart, R-value (insulation), Rack unit, Rankine scale, Rod (unit), SAE International, Scoop (utensil), Section (United States land surveying), Sheet metal, Short ton, Slug (unit), Square (unit), Square mile, Standard cubic foot, State Plane Coordinate System, Survey township, System of measurement, Tablespoon, Teaspoon, Temperature, The World Factbook, Thermodynamic temperature, Thermodynamics, Thomas Corwin Mendenhall, Thousandth of an inch, Ton of refrigeration, Triangulation, Troy weight, U.S. National Geodetic Survey, U.S. standard clothing size, Unified Thread Standard, Unit of measurement, United Kingdom, United States, United States Armed Forces, United States Government Publishing Office, Yard. Expand index (91 more) » « Shrink index
The acre is a unit of land area used in the imperial and US customary systems.
The acre-foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
Alcohol proof is a measure of the content of ethanol (alcohol) in an alcoholic beverage.
Aluminium foil (or aluminum foil), often referred to with the misnomer tin foil, is aluminium prepared in thin metal leaves with a thickness less than; thinner gauges down to are also commonly used.
American wire gauge (AWG), also known as the Brown & Sharpe wire gauge, is a logarithmic stepped standardized wire gauge system used since 1857 predominantly in North America for the diameters of round, solid, nonferrous, electrically conducting wire.
Ammunition (informally ammo) is the material fired, scattered, dropped or detonated from any weapon.
The apothecaries' system or apothecaries' weights and measures is a historical system of mass and volume units that were used by physicians and apothecaries for medical recipes, and also sometimes by scientists.
An apple is a sweet, edible fruit produced by an apple tree (Malus pumila).
The standard atmosphere (symbol: atm) is a unit of pressure defined as.
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
The avoirdupois system (abbreviated avdp) is a measurement system of weights which uses pounds and ounces as units.
A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels (such as the UK beer barrel and US beer barrel), oil barrels and so on.
The board-foot is a unit of measure for the volume of lumber in the United States and Canada.
The British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom and its predecessor states.
The British thermal unit (Btu or BTU) is a traditional unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
A bushel (abbreviation: bsh. or bu.) is an imperial and US customary unit of weight or mass based upon an earlier measure of dry capacity.
A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms.
A calorie is a unit of energy.
Canada is a country located in the northern part of North America.
The carat (ct) (not to be confused with the karat, sometimes spelled carat, a unit of purity of gold alloys), is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).
The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
The Central Intelligence Agency (CIA) is a civilian foreign intelligence service of the United States federal government, tasked with gathering, processing, and analyzing national security information from around the world, primarily through the use of human intelligence (HUMINT).
A chain is a unit of length that measures 66 feet, 22 yards, 100 links,or 4 rods (20.1168 m).
A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil (one thousandth of an inch).
The Commonwealth of Nations, often known as simply the Commonwealth, is an intergovernmental organisation of 53 member states that are mostly former territories of the British Empire.
Both the imperial and United States customary systems of measurement derive from earlier English systems used in the Middle Ages, that were the result of a combination of the local Anglo-Saxon units inherited from German tribes and Roman units brought by William the Conqueror after the Norman Conquest of England in 1066.
Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
Copper tubing is most often used for supply of hot and cold tap water, and as refrigerant line in HVAC systems.
The cord is a unit of measure of dry volume used to measure firewood and pulpwood in the United States and Canada.
The cubic foot (symbol ft3) is an imperial and US customary (non-metric) unit of volume, used in the United States, and partially in Canada, and the United Kingdom.
The cubic inch (symbol in3) is a unit of measurement for volume in the Imperial units and United States customary units systems.
A cubic yard (symbol yd3) is an Imperial / U.S. customary (non-SI non-metric) unit of volume, used in the United States, Canada, and the UK.
The cup is a United States unit of volume, most commonly associated with cooking and serving sizes.
A dessert spoon is a spoon designed specifically for eating dessert and sometimes used for soup or cereals.
The dram (alternative British spelling drachm; apothecary symbol ʒ or ℨ; abbreviated dr) Earlier version first published in New English Dictionary, 1897.
The drop is an approximated unit of measure of volume, the amount dispensed as one drop from a dropper or drip chamber.
A drum is a cylindrical container used for shipping bulk cargo.
Dry measures are units of volume to measure bulk commodities that are not fluids and that were typically shipped and sold in standardized containers such as barrels.
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
English units are the historical units of measurement used in England up to 1826 (when they were replaced by Imperial units), which evolved as a combination of the Anglo-Saxon and Roman systems of units.
The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686–1736).
A fathom is a unit of length in the imperial and the U.S. customary systems equal to, used especially for measuring the depth of water.
The Federal Register (FR or sometimes Fed. Reg.) is the official journal of the federal government of the United States that contains government agency rules, proposed rules, and public notices.
A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl., old forms ℥, fl ℥, f℥, ƒ ℥) is a unit of volume (also called capacity) typically used for measuring liquids.
The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.
The foot (feet; abbreviation: ft; symbol: ′, the prime symbol) is a unit of length in the imperial and US customary systems of measurement.
The foot pound-force (symbol: ft⋅lbf or ft⋅lb) is a unit of work or energy in the Engineering and Gravitational Systems in United States customary and imperial units of measure.
The foot–pound–second system or FPS system is a system of units built on three fundamental units: the foot for length, the (avoirdupois) pound for either mass or force (see below), and the second for time.
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
In botany, a fruit is the seed-bearing structure in flowering plants (also known as angiosperms) formed from the ovary after flowering.
A furlong is a measure of distance in imperial units and U.S. customary units equal to one eighth of a mile, equivalent to 660 feet, 220 yards, 40 rods, or 10 chains.
The gallon is a unit of measurement for fluid capacity in both the US customary units and the British imperial systems of measurement.
A geodetic datum or geodetic system is a coordinate system, and a set of reference points, used to locate places on the Earth (or similar objects).
The gill (pronounced) or teacup is a unit of measurement for volume equal to a quarter of a pint.
A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and Apothecaries' system, equal to exactly.
The gram (alternative spelling: gramme; SI unit symbol: g) (Latin gramma, from Greek γράμμα, grámma) is a metric system unit of mass.
A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus Vitis.
The hand is a non-SI unit of measurement of length standardized to.
Heat flux or thermal flux, sometimes also referred to as heat flux density or heat flow rate intensity is a flow of energy per unit of area per unit of time.
The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC.
A hogshead (abbreviated "Hhd", plural "Hhds") is a large cask of liquid (or, less often, of a food commodity).
Horsepower (hp) is a unit of measurement of power (the rate at which work is done).
The hundredweight (abbreviation: cwt), formerly also known as the centum weight or quintal, is an English, imperial, and US customary unit of weight or mass of various values.
The system of imperial units or the imperial system (also known as British Imperial or Exchequer Standards of 1825) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced.
The inch (abbreviation: in or &Prime) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to yard but usually understood as of a foot.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
The international yard and pound are two units of measurement that were the subject of an agreement among representatives of six nations signed on 1 July 1959, namely the United States, United Kingdom, Canada, Australia, New Zealand and South Africa.
The ISO metric screw threads are the worldwide most commonly used type of general-purpose screw thread.
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
A knitting needle or knitting pin is a tool in hand-knitting to produce knitted fabrics.
The langley (Ly) is a unit of heat transmission, especially used to express the rate of solar radiation (or insolation) received by the earth.
A league is a unit of length.
Leather is a durable and flexible material created by tanning animal rawhides, mostly cattle hide.
Liberia, officially the Republic of Liberia, is a country on the West African coast.
In mathematics, the term linear function refers to two distinct but related notions.
The link (usually abbreviated as "l.", "li." or "lnk."), sometimes called a Gunter’s link, is a unit of length formerly used in many English-speaking countries.
Long ton, also known as the imperial ton or displacement ton,Dictionary.com - "a unit for measuring the displacement of a vessel, equal to a long ton of 2240 pounds (1016 kg) or 35 cu.
Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.
The Mendenhall Order marked a decision to change the fundamental standards of length and mass of the United States from the customary standards based on those of England to metric standards (Mendenhall 1922).
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
The metric system is an internationally adopted decimal system of measurement.
Metrication (or metrification) is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units.
The mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.
The minim (abbreviated min, ♏︎, or) is a unit of volume in both the imperial and US customary systems of measurement.
The MKS system of units is a physical system of units that expresses any given measurement using base units of the metre, kilogram, and/or second (MKS).
Myanmar, officially the Republic of the Union of Myanmar and also known as Burma, is a sovereign state in Southeast Asia.
The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.
A nautical mile is a unit of measurement defined as exactly.
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures.
The North American Datum (NAD) is the datum now used to define the geodetic network in North America.
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
The ounce (abbreviated oz; apothecary symbol: ℥) is a unit of mass, weight, or volume used in most British derived customary systems of measurement.
In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.
A peck is an imperial and United States customary unit of dry volume, equivalent to 2 dry gallons or 8 dry quarts or 16 dry pints (9.09 (UK) or 8.81 (US) liters).
A pennyweight (abbreviated dwt, from denarius weight) is a unit of mass that is equal to 24 grains, of a troy ounce, of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams.
The pica is a typographic unit of measure corresponding to approximately of an inch, or of a foot.
The pint (symbol pt, sometimes abbreviated as "p") is a unit of volume or capacity in both the imperial and United States customary measurement systems.
The "Plan for Establishing Uniformity in the Coinage, Weights, and Measures of the United States" was a report submitted to the U.S. House of Representatives on July 13, 1790, by Secretary of State Thomas Jefferson.
In typography, the point is the smallest unit of measure.
The pound-force (symbol: lbf, sometimes lbf) is a unit of force used in some systems of measurement including English Engineering units and the British Gravitational System.
The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement.
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.
The quart (abbreviation qt.) is an English unit of volume equal to a quarter gallon.
In building and construction, the R-value is a measure of how well an object, per unit of its exposed area, resists conductive flow of heat: the greater the R-value, the greater the resistance, and so the better the thermal insulating properties of the object.
A rack unit (abbreviated U or RU) is a unit of measure defined as.
The Rankine scale is an absolute scale of thermodynamic temperature named after the Glasgow University engineer and physicist William John Macquorn Rankine, who proposed it in 1859.
The rod or perch or pole is a surveyor’s tool and unit of length equal to yards, 16 feet, of a statute mile or one-fourth of a surveyor's chain and 5.0292 meters.
SAE International, initially established as the Society of Automotive Engineers, is a U.S.-based, globally active professional association and standards developing organization for engineering professionals in various industries.
In common usage, a scoop is any specialized spoon used to serve food.
In U.S. land surveying under the Public Land Survey System (PLSS), a section is an area nominally, containing, with 36 sections making up one survey township on a rectangular grid.
Sheet metal is metal formed by an industrial process into thin, flat pieces.
The short ton is a unit of weight equal to.
The slug is a derived unit of mass in the weight-based system of measures, most notably within the British Imperial measurement system and in the United States customary measures system.
The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, and was historically used in Australia.
The square mile (abbreviated as sq mi and sometimes as mi²)Rowlett, Russ (September 1, 2004).
A standard cubic foot (scf) is a unit used both in the natural gas industry to represent an amount of natural gas and in other industries where other gases are used.
The State Plane Coordinate System (SPS or SPCS) is a set of 124 geographic zones or coordinate systems designed for specific regions of the United States.
Survey township, sometimes called Congressional township, as used by the United States Public Land Survey System, refers to a square unit of land, that is nominally six (U.S. Survey) miles (~9.7 km) on a side.
A system of measurement is a collection of units of measurement and rules relating them to each other.
A tablespoon is a large spoon used for serving or eating.
A teaspoon is an item of cutlery, a measuring instrument, of approximately 5ml, or a unit of measurement of volume (usually abbreviated tsp.).
Temperature is a physical quantity expressing hot and cold.
The World Factbook, also known as the CIA World Factbook, is a reference resource produced by the Central Intelligence Agency (CIA) with almanac-style information about the countries of the world.
Thermodynamic temperature is the absolute measure of temperature and is one of the principal parameters of thermodynamics.
Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.
Thomas Corwin Mendenhall (October 4, 1841 – March 23, 1924) was an American autodidact physicist and meteorologist.
A thousandth of an inch is a derived unit of length in an inch-based system of units.
A ton of refrigeration (TR), also called a refrigeration ton (RT), is a unit of power used in some countries (especially in North America) to describe the heat-extraction capacity of refrigeration and air conditioning equipment.
In trigonometry and geometry, triangulation is the process of determining the location of a point by forming triangles to it from known points.
Troy weight is a system of units of mass customarily used for precious metals and gemstones.
The National Geodetic Survey (NGS), formerly the United States Survey of the Coast (1807–1836), United States Coast Survey (1836–1878), and United States Coast and Geodetic Survey (USC&GS) (1878–1970), is a United States federal agency that defines and manages a national coordinate system, providing the foundation for transportation and communication; mapping and charting; and a large number of applications of science and engineering.
U.S. standard clothing sizes for women were originally developed from statistical data in the 1940s and 1950s.
The Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada.
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The United States Armed Forces are the military forces of the United States of America.
The United States Government Publishing Office (GPO) (formerly the Government Printing Office) is an agency of the legislative branch of the United States federal government.
The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches.
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