# Inch: Wikis

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# Encyclopedia

1 inch =
SI units
25.400×10−3 m 25.4000 mm
US customary / Imperial units
0.02778 yd 0.08333 ft
.An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ – a double prime) is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units.^ In the United States inches are the typical or...
• Tag: Inches - Explore content tagged Inches on eHow.com 22 January 2010 13:50 UTC www.ehow.com [Source type: General]

^ The symbol mp/f 3 is sometimes used for this unit.
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^ The name of the unit is an abbreviation of "kilopound."
• Units: K 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.There are 36 inches in a yard and 12 inches in a foot.^ So do the "short" units: There are 12 inches per foot, 3 feet per yard.
• inches 16 September 2009 23:51 UTC math.ucr.edu [Source type: FILTERED WITH BAYES]

^ Is a yard 36 inches?
• WikiAnswers - How many inches are in a yard 22 January 2010 13:50 UTC wiki.answers.com [Source type: General]

^ How many inches are there in a yard?
• How many inches are there in a yard? - Yahoo! Answers 22 January 2010 13:50 UTC answers.yahoo.com [Source type: General]

.A corresponding unit of area is the square inch and a corresponding unit of volume is the cubic inch.^ Japanese unit of volume, equal to about 180.391 liters (39.68 British Imperial gallons or 6.37 cubic feet).
• Units: K 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Korean unit of area equal to about 3.306 square meters or 3.954 square yards .
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The arshin is also used as a unit of area equal to one square arshin; this would be equal to 5.4445 square feet or 0.5058 square meter.
• Units: A 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.The inch is usually the universal unit of measurement in the United States, and is widely used in the United Kingdom, and Canada, despite the introduction of metric to the latter two in the 1960s and 1970s, respectively.^ This unit is widely used for measuring pearls, so it is sometimes called the pearl grain .
• Units: G 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ A*) a unit used to measure the wavelength of X-rays.
• Units: A 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ In the United States inches are the typical or...
• Tag: Inches - Explore content tagged Inches on eHow.com 22 January 2010 13:50 UTC www.ehow.com [Source type: General]

.The inch is sometimes used informally in other Commonwealth nations such as Australia.^ At present, the legua is used informally in Argentina and in other Spanish-speaking countries as a metric unit equal to exactly 5 kilometers (3.107 miles).
• Units: L 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ (Mc) 1 million cycles, a term sometimes used as an informal name for the megahertz.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The Imperial units remain in varying degrees of use in Britain, Canada, Australia, and other areas of British heritage despite the introduction of metric units there.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

Measuring tape capable of measuring down to 132 inch

## International inch

.Effective July 1, 1959, the United States and countries of the British Commonwealth defined the length of the international yard to be exactly 0.9144 meters.^ ARTICLE from the Encyclopædia Britannica unit of measurement unit of British Imperial and United States Customary measure equal to 1 / 36 of a yard.
• inch (unit of measurement) -- Britannica Online Encyclopedia 22 January 2010 13:50 UTC www.britannica.com [Source type: Reference]

^ There was a need for this unit before the metric prefixes for very small quantities were defined; now distances formerly measured in fermis are stated in femtometers instead.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Gregorian year a unit of time equal to exactly 365.2425 days, the average length of a year in the Gregorian calendar currently used throughout the world.
• Units: G 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.[1] Consequently, the international inch is defined to be equal to exactly 25.4 millimeters.^ One mil is exactly 25.4 microns, just as one inch is exactly 25.4 millimeters.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ In 1959 the survey foot was replaced by the international foot , equal to exactly 30.48 centimeters.
• Units: S 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ For measuring the thickness of buttons, there is also a smaller line equal to 1/40 inch (0.635 millimeter).
• Units: L 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.This creates a slight difference between the international units and surveyor's units which are described in the article on the foot.^ There is no definite conversion between FCC units and milligrams, because different manufacturers prepare their products in different ways.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ O) a unit used in music to describe the ratio in frequency between notes.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Convert between different kinematic viscosity units - centistokes, poise, lentor and more .

.The international standard symbol for inch is in (see ISO 31-1, Annex A).^ Based in Switzerland, the ISO sets international industrial standards, including standards for the use of units of measurements.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The international standard ISO 31 recommends that angles be stated in degrees and decimal fractions of the degree, without use of arcminutes and arcseconds.
• Units: S 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ FNU abbreviation for formazin nephelometric unit , a unit of water turbidity equivalent to the NTU (nephelometric turbidity unit) used in the U.S. The symbol FNU, specified by the International Organization for Standardization in its standard ISO 7027, is widely used outside the U.S. See NTU .
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.In some cases, the inch is denoted by a double prime, which is often approximated by double quotes, and the foot by a prime, which is often approximated by an apostrophe.^ Some photos show the 3 inch version of the same case.
• 2 Inch Collector's Edition Display Cases - Custom Displays 22 January 2010 13:50 UTC www.customdisplays.com [Source type: General]

^ U.S. liquid gallons is approximately 18.36 gallons per 50-foot length of 3-inch.

## Equivalence to other units of length

Mid-19th century tool for converting between different standards of the inch
1 international inch is equal to:
• 1,000 thou (1 thou is 0.001 inches.)
• .
• 1,000 mil (1 mil = 1 thou = 0.001 inches)
• 1,000,000 microinches (1 μin is one millionth of an inch.^ On the same map, one inch on the map represents 250 000 inches (about 3.9457 miles) on the ground.
• Units: S 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ A circular inch is the area of a circle one inch [1] in diameter, and a circular mil is the area of a circle one mil [1] in diameter.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ One millimeter equals 0.001 meter, 0.1 centimeter, about 0.039 370 inch, or 39.370 mils.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

)
• .
• ~0.02778 yards (1 yard is equal to 36 inches.^ For example, if a bolt is 44 inches wide, a yard of fabric is a piece one yard long and 44 inches wide, that is, 36 inches by 44 inches.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The meter is equal to approximately 1.093 613 3 yards , 3.280 840 feet , or 39.370 079 inches .
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ To cut a fat half, a full yard (36 x 44) is cut in half parallel to the edges of the bolt, that is, a fat half is 36 inches by 22 inches (1 yard by half the width of the bolt, in general).
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

)
• .
• 2.54 centimeters (1 centimeter is equal to about 0.3937 international inches.^ The palm equals 4 digits or 1/6 cubit , which is about 3 inches or 7.5 centimeters.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ This is about 6.5 inches or 16.5 centimeters, making the fistmele the same as the Saxon shaftment .
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Greek foot, a unit of distance equal to about 30.7 centimeters, a little longer than the modern English foot.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

)

## Historical origin

The origin of the inch is disputed. .Historically, in different parts of the world (even different cities within the same country) and at different points in time, the inch has referred to similar but different standard lengths.^ Mustang, 9 inch Mustang, 8 inch Fairlane etc., housings can be slightly different even for similar or the same models.
• Kevinstang's Ford Nine Inch Differential Page + 22 January 2010 13:50 UTC kevinstang.com [Source type: FILTERED WITH BAYES]

^ The English ell is 45 inches (1.143 meters), but the "clothyard arrows" used with longbows in late medieval times were closer in length to the 37-inch Scottish ell.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Tell them that today they will use a standard inch ruler to measure lengths.
• Illuminations: Fun with Fractions 22 January 2010 13:50 UTC illuminations.nctm.org [Source type: FILTERED WITH BAYES]

.The English word inch comes from Latin uncia meaning "one twelfth part" (in this case, one twelfth of a foot); the word ounce (one twelfth of a troy pound) has the same origin.^ The word is from the Latin paria , meaning "equals."
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ An inch is a unit of measurement that is equal to one-twelfth of a foot.

^ The Old English word ynce is derived from the Latin uncia , meaning a 1/12 part; thus "inch" and "ounce" actually have the same root.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.In some other languages, the word for "inch" is similar to or the same as the word for "thumb"; for example, French: pouce inch/thumb; Italian: pollice inch/thumb; Spanish: pulgada inch, pulgar thumb; Portuguese: polegada inch, polegar thumb; Swedish: tum inch, tumme thumb; Danish: tomme inch, tommel thumb; Dutch: duim inch/thumb; Sanskrit: angulam inch, anguli finger; Slovak: palec inch/thumb; Hungarian: hüvelyk inch/thumb.^ The word pouce means "thumb" in French.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Some view it as the evolution of a living language, others as abominations of their mother tongue.

^ Mustang, 9 inch Mustang, 8 inch Fairlane etc., housings can be slightly different even for similar or the same models.
• Kevinstang's Ford Nine Inch Differential Page + 22 January 2010 13:50 UTC kevinstang.com [Source type: FILTERED WITH BAYES]

.Given the etymology of the word "inch", it would seem that the inch is a unit derived from the foot, but this was probably only so in Latin and in Roman times.^ It's Holiday time and it seems everyone is searching for the perfect 18 inch doll bed to fit their 18 inch doll (like the American Girl Doll).

^ Taking the large 12-inch "Ellie" telescope might have been workable, but clumsy at best, especially given the long set up time required for Ellie and the unknown observing locations I would be dealing with.
• Bob Bunge's 6-inch f/5 Ultra Small Travel Telescope 22 January 2010 13:50 UTC www.ladyandtramp.com [Source type: General]

^ The word "season," derived from a Latin word meaning the time for sowing, originally meant one of the periods of the agricultural year.
• Units: S 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.In English, there are records of fairly precise definitions for the size of an inch (whereas the definitions for the size of a foot are probably anecdotal), so it seems that the foot was then defined as 12 times this length.^ The official record there was 12.0 inches, set Dec.
• Update: Up To 22 Inches Of Snow Fall In Loudoun - wtop.com 22 January 2010 13:50 UTC www.wtopnews.com [Source type: News]

^ During the reign of King Edward II , in the early 14th century, the inch was defined as “three grains of barley, dry and round, placed end to end lengthwise.” At various times the inch has also been defined as the combined lengths of 12 poppyseeds.
• inch (unit of measurement) -- Britannica Online Encyclopedia 22 January 2010 13:50 UTC www.britannica.com [Source type: Reference]

^ The inch was originally defined in England in two ways: as the length of three barleycorns laid end to end, or as the width of a man's thumb at the base of the nail.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.For example, the old English ynche was defined (by King David I of Scotland in about 1150) as the width of an average man's thumb at the base of the nail, even including the requirement to calculate the average of a small, a medium, and a large man's measures.^ Converting from small English Units to large English Units: .

^ Converting from large English Units to small English Units: .

^ The inch was originally defined in England in two ways: as the length of three barleycorns laid end to end, or as the width of a man's thumb at the base of the nail.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.To account for the much larger length later called an inch, there are also attempts to link it to the distance between the tip of the thumb and the first joint of the thumb, but this may be speculation.^ The inch was originally defined in England in two ways: as the length of three barleycorns laid end to end, or as the width of a man's thumb at the base of the nail.
• Units: I 16 September 2009 23:51 UTC www.unc.edu [Source type: Reference]
• Units: I 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ One small bag = Total dimensions (length + width + height) may not exceed 45 inches/ 114 cm, with each dimension no larger 22 in/56cm long, 18 in/45cm wide, and 10 in/25cm height.
• American Airlines Carry-on Baggage Allowance Information On AA.com 22 January 2010 13:50 UTC www.aa.com [Source type: General]

^ This unit represents the length of the middle finger, from the tip to the joint where the finger is attached to the hand.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.There are records of the unit being used circa AD 1000 (both Laws of Æthelberht and Laws of Ælfred).^ In both cases, the intention is that if the fist of the actual archer or kayaker is used in establishing the unit, then the bow or the boat will fit that person precisely.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Multiples of this unit are formed using non-metric prefixes: Mcfe for 1000 (not 1 million) cfe, MMcfe for 1 million cfe, and Bcfe for 1 billion cfe.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Strong-Cobb Unit (SC) an ad hoc unit of force previously used to measure the hardness of tablets in the pharmaceutical industry.
• Units: S 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

[citation needed]
.An Anglo-Saxon unit of length was the barleycorn.^ The finger-width was a common unit of measurement in Anglo-Saxon England.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.After 1066, 1 inch was equal to 3 barleycorn, which continued to be its legal definition for several centuries, with the barleycorn being the base unit.^ (Mb) a unit of genetic information equal to the information carried by 1 million pairs of the base units in the double-helix of DNA; also used as a unit of relative distance equal to the length of a strand of DNA containing 1 million base pairs.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The unit originated as the area of a square 100 pas (Haitian paces) on a side, with the pas being equal to 3.5 pieds (French feet).
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ In the U.S., the legal definition (made in 1968) is that the therm equals 105.4804 mega joules .
• Units: T 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

[2] One of the earliest such definitions is that of 1324, where the legal definition of the inch was set out in a statute of Edward II of England, defining it as "three grains of barley, dry and round, placed end to end, lengthwise".[2]
Similar definitions are recorded in both English and Welsh mediæval law tracts.[3] .One, dating from the first half of the 10th century, is contained in the Laws of Hywel Dda (see Hywel Dda) which superseded those of Dyvnwal, an even earlier definition of the inch in Wales.^ 'The South could see around six inches on Tuesday evening, while there will be a few centimetres elsewhere.'
• Inches - Blogs, Pictures, and more on Blogged 22 January 2010 13:50 UTC www.blogged.com [Source type: General]

^ One TEU represents the cargo capacity of a standard container 20 feet long, 8 feet wide, and (usually) a little over 8 feet high, or half the capacity of a similar container 40 feet long.
• Units: T 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ First, the new 13-inch laptops use a longer-lasting, non-removable battery, similar to the one first unveiled in the 17-inch MacBook Pro.
• MacBook Pros (13-inch, Mid 2009) Review | Laptop | Macworld 22 January 2010 13:50 UTC www.macworld.com [Source type: General]

Both definitions, as recorded in Ancient Laws and Institutes of Wales (vol i., pp. 184,187,189), are that "three lengths of a barleycorn is the inch".[4]
.Charles Butler, a mathematics teacher at Cheam School, in 1814 recorded the old legal definition of the inch to be "three grains of sound ripe barley being taken out the middle of the ear, well dried, and laid end to end in a row", and placed the barleycorn, not the inch, as the base unit of the English Long Measure system, from which all other units were derived.^ British Imperial System ( in British Imperial System (measurement system) ; in measurement system: The English system ) Other .
• inch (unit of measurement) -- Britannica Online Encyclopedia 22 January 2010 13:50 UTC www.britannica.com [Source type: Reference]

^ Freon Properties - old English Units .

^ Prandtl number - old English units .

[5] John Bouvier similarly recorded in his 1843 law dictionary that the barleycorn was the fundamental measure.[6] .Butler observed, however, that "[a]s the length of the barley-corn cannot be fixed, so the inch according to this method will be uncertain", noting that a standard inch measure was now (by his time) kept in the Exchequer chamber, Guildhall, and that was the legal definition of the inch.^ An inch is a unit of measurement that is used to measure length.
• Tag: Inches - Explore content tagged Inches on eHow.com 22 January 2010 13:50 UTC www.ehow.com [Source type: General]

^ During the reign of King Edward II , in the early 14th century, the inch was defined as “three grains of barley, dry and round, placed end to end lengthwise.” At various times the inch has also been defined as the combined lengths of 12 poppyseeds.
• inch (unit of measurement) -- Britannica Online Encyclopedia 22 January 2010 13:50 UTC www.britannica.com [Source type: Reference]

^ Typically the mice are assumed to have a mass of 20 grams, the toxin is administered by intraperitoneal injection, and mortality is measured over a standard period that may vary according to the toxin.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

[5] .This was a point also made by George Long in his 1842 Penny Cyclopædia, observing that standard measures had since surpassed the barleycorn definition of the inch, and that to recover the inch measure from its original definition, in the event that the standard measure were destroyed, would involve the measurement of large numbers of barleycorns and taking their average lengths.^ An inch is a unit of measurement that is used to measure length.
• Tag: Inches - Explore content tagged Inches on eHow.com 22 January 2010 13:50 UTC www.ehow.com [Source type: General]

^ Unit < Length > ASTRONOMICAL_UNIT A unit of length equal to the average distance from the center of the Earth to the center of the Sun (standard name ua ).
• NonSI (JScience v3.1 API) 22 January 2010 13:50 UTC jscience.org [Source type: Reference]

^ Graded A. These extensions are measured at 20" long with 39 inches of total width.
• 100% Human Hair Clip On Clip In Extensions - 20 Inch 22 January 2010 13:50 UTC www.proextensions.com [Source type: General]

.He noted that this process would not perfectly recover the standard, since it might introduce errors of anywhere between one hundredth and one tenth of an inch in the definition of a yard.^ For example, if a bolt is 44 inches wide, a yard of fabric is a piece one yard long and 44 inches wide, that is, 36 inches by 44 inches.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The Wheel Connection has been one of the largest distributor of 19 inch wheels since 19 inch wheels first began producing rims.

^ This unit is common in biochemistry; since a mole of a large organic molecule can be quite a large amount, a picomole is larger than one might think.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

[7]
.One source says that the inch was at one time defined in terms of the yard, itself supposedly defined as the distance between Henry I of England's nose and his thumb.^ For example, if a bolt is 44 inches wide, a yard of fabric is a piece one yard long and 44 inches wide, that is, 36 inches by 44 inches.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ In 1592, Parliament settled the question in England by defining the statute mile to be 8 furlongs , 80 chains , 320 rods [1], 1760 yards or 5280 feet .
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Terms such as linear meter and linear yard are used in a similar way to indicate one-meter or one-yard lengths.
• Units: L 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

This is unlikely as Henry was born in 1068.
.Prior to the adoption of the international inch (see above), the United Kingdom and most countries of the British Commonwealth defined the inch in terms of the Imperial Standard Yard.^ ARTICLE from the Encyclopædia Britannica unit of measurement unit of British Imperial and United States Customary measure equal to 1 / 36 of a yard.
• inch (unit of measurement) -- Britannica Online Encyclopedia 22 January 2010 13:50 UTC www.britannica.com [Source type: Reference]

^ The unit is defined in terms of a specific test of a preparation's ability to dissolve fibrin, the protein found in clots; there is no standard equivalence to millograms.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ This unit was traditionally called a freight ton (see ton [5]), but that term now means a metric ton of freight in most international usage.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.But Canada had its own, different, definition of the inch, defined in terms of metric units.^ The unit is defined in terms of a specific test of a preparation's ability to dissolve fibrin, the protein found in clots; there is no standard equivalence to millograms.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ There was a need for this unit before the metric prefixes for very small quantities were defined; now distances formerly measured in fermis are stated in femtometers instead.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The use of the same term "calorie" for two different-size units is endlessly confusing, but we seem to be stuck with it.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.The Canadian inch was defined to be equal to 25.4 millimeters, the amount later accepted as the international inch.^ The kyu, originally written Q, is equal to exactly 0.25 millimeter, about 0.71 point [2], or about 14.173 twips .
• Units: K 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The German standards agency DIN has proposed that all these units be replaced by multiples of 0.25 millimeters (1/101.6 inch).
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ In the U.S., Adobe software defines the point to be exactly 1/72 inch (0.013 888 9 inch or 0.352 777 8 millimeters), a unit sometimes called the big point (bp) .
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

## Metric or decimal inch

.A metric inch (25 mm instead of 25.4 mm) was the equivalent of an inch under a former proposal for the metrification and unification of the English system of measures.^ This unit is sometimes called the metric slug in English, since the slug is defined in a similar way in the English system.
• Units: T 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ This selection will show you how to convert various numbers from the U.S. system of measurement to the metric system.
• Convert between the U.S. and Metric Systems of Measurement - WebMath 11 September 2009 7:13 UTC www.webmath.com [Source type: FILTERED WITH BAYES]

^ The unit originally represented streamflow through an opening one inch (25.4 mm) square at a specified distance below the surface of the water; this distance varied from 4 to 6 inches.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.It is now considered to be a strange unit of measurement.^ There was a need for this unit before the metric prefixes for very small quantities were defined; now distances formerly measured in fermis are stated in femtometers instead.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Almost all measurements of frequency are now stated in hertz, the SI unit.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Since 1948 the candela has been the official SI unit of light intensity, and the term "candlepower" now means a measurement of light intensity in candelas, just as "voltage" means a measurement of electric potential in volts.
• Units: C 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.In Sweden, between 1855 to 1863, the existing Swedish "working inch" of ~24.74 mm was replaced by a "decimal inch" of ~29.69 mm which was one tenth of the Swedish foot.^ A material has a permeability of one perm if it allows transmission of one grain of water vapor per square foot of area per inch of mercury (inHg) of pressure difference per hour.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The toy capsule sets offered below will work in all of the one-inch capsule machines sold in our online store.
• 1 Inch Toy Capsules @ Gumball.com 22 January 2010 13:50 UTC www.gumball.com [Source type: General]

^ One foot of head is equivalent to a pressure of 0.433 lb/in 2 , 2.989 kilo pascals (kPa), 29.89 millibars (mb), or 0.882 inches of mercury (in Hg).
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

Proponents argued that a decimal system simplifies calculations. .However, having two different Swedish inch measures (and the English inch on top of that) proved to be complicated.^ Because of the two different size bearings used in the 9 inch, there are also two (actually three) different backing plate mounting patterns as well.
• Kevinstang's Ford Nine Inch Differential Page + 22 January 2010 13:50 UTC kevinstang.com [Source type: FILTERED WITH BAYES]

^ However, for the nine inch (as assembled by Ford)there are 3 different bearings- one small and two large.
• Kevinstang's Ford Nine Inch Differential Page + 22 January 2010 13:50 UTC kevinstang.com [Source type: FILTERED WITH BAYES]

^ I have two pictures 1) measuring 46 inches x 150 inches.
• Inches to Square foot - OnlineConversion Forums 22 January 2010 13:50 UTC forum.onlineconversion.com [Source type: FILTERED WITH BAYES]

.So in a transition period between 1878 and 1889 the metric units were introduced as the overall standard measures.^ There was a need for this unit before the metric prefixes for very small quantities were defined; now distances formerly measured in fermis are stated in femtometers instead.
• Units: F 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ Typically the mice are assumed to have a mass of 20 grams, the toxin is administered by intraperitoneal injection, and mortality is measured over a standard period that may vary according to the toxin.
• Units: M 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The pascal is the standard pressure unit in the MKS metric system, equal to one newton per square meter or one "kilogram per meter per second per second."
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

.However, the various inches survived some time in building and construction trades.^ In U.S. landscaping and some construction trades a load often means a cubic yard (0.764555 m 3 ).
• Units: L 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ The Scots pint varied with time and locality, but it was eventually standardized as the volume of the Stirling jug , a vessel holding about 104.2 cubic inches or 1.708 liters.
• Units: P 11 September 2009 7:13 UTC www.unc.edu [Source type: Reference]

^ However, we did some time travelling – we released it three-quarters of the way through.
• Les Savy Fav discuss Inches / In Depth // Drowned In Sound 22 January 2010 13:50 UTC drownedinsound.com [Source type: FILTERED WITH BAYES]

## References

1. ^ Brian Lasater, The Dream of the West (Lulu.com, 2008), p256
2. ^ a b H. Arthur Klein (1974). The world of measurements: masterpieces, mysteries and muddles of metrology. New York: Simon and Schuster.
3. ^ Jane Hawkes and Susan Mills (1999). Northumbria's Golden Age. Sutton. pp. 310. ISBN 0750916850.
4. ^ John Williams (1867). "The civil arts — mensuration". The Traditionary Annals of the Cymry. Tenby: R. Mason. pp. 243–245.
5. ^ a b Charles Butler (1814). An Easy Introduction to the Mathematics. Oxford: Bartlett and Newman. pp. 61.
6. ^ John Bouvier (1843). "Barleycorn". A Law Dictionary: With References to the Civil and Other Systems of Foreign Law. Philadelphia: T. & J. W. Johnson. pp. 188.
7. ^ George Long (1842). "Weights & Measures, Standard". The Penny Cyclopædia of the Society for the Diffusion of Useful Knowledge. London: Charles Knight & Co.. p. 436.

# 1911 encyclopedia

Up to date as of January 14, 2010
(Redirected to Database error article)

# Simple English

The inch is the basic unit of length or distance in the English system. A man's thumb is about an inch wide.

• 1 inch = 25.4 millimeters
• 12 inches = 1 foot = 304.8 millimeters
• 36 inches = 1 yard = 914.4 millimeters
• 1 meter = about 39.37 inches

The abbreviation for "inch" is "in" or " (double quote).

In Britain and the United States, people use inches more than they use millimeters or centimeters. Also, road signs for speed limits are in miles per hour other U.S. customary units or Imperial units of measurement are also in common use.

In the rest of the world, metric units are almost always used. The inch is not used by scientists.

# Citable sentences

Up to date as of December 10, 2010

Here are sentences from other pages on Inch, which are similar to those in the above article.