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Topic: Feet (unit of length)

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	Unit Conversion Tool: Overview
		Unit Conversion Tool is a powerful, award-winning and easy-to-use utility for quick and accurate conversion between almost every possible unit of measure, from one system to another.
		Unit Conversion Tool is pre-configured with over 2100 units in 78 categories, which range from those that are common, such as, length, volume, numbers, velocity, mass, and pressure, to more specialized categories like magnetic flux density, electrostatic capacitance, and surface tension.
		Unit Conversion Tool supports using expressions as well as simple values as input data for conversion.
	www.accelware.com /Unit_Conversion_Tool (915 words)

	Units: A
		In metric countries the unit corresponding to the acre is the hectare, which is 10,000 square meters (the area of a square 100 meters on each side).
		The X unit and the angstrom star are the units used for this purpose.
		One astronomical unit equals the "average" distance from the center of the Earth to the center of the Sun (mathematically, it is the length of the semimajor axis of the Earth's elliptical orbit, which is the ordinary average of the Earth's minimum and maximum distances from the Sun).
	www.unc.edu /~rowlett/units/dictA.html (5441 words)

	Units and Dimensionality
		Meter, fundamental unit of length, defined as the distance between two o specified lines on a specific bar of platinum-iridium at 0 C at standard atmospheric pressure supported at two neutral points 0.285 meter from the center of the bar.
		Feet, English unit of length, defined as 0.3048 meter in U.S. Inch, English unit of length, defined as 0.00254 meter in U.S. Angstrom, unit of length, defined as 10 meter.
		Kilogram calorie, large calorie, unit of energy, is the heat required to raise the temperature of 1 kilogram of water from 1 degree centigrade at a stated temperature.
	www.csee.umbc.edu /help/theory/units.shtml (2128 words)

	Old Units of Length
		Length units used in land surveying are discussed in the article "Chaining." Other units were defined for use in printing, textiles, and other areas of commerce.
		This was a bad choice for defining a unit of length, worse than simply making a couple of arbitrary scratches on a bar, since it involved a difficult and tedious procedure, especially when the news arrived in France that the earth was not a sphere to a sufficient approximation.
		Length is now defined in terms of the speed of light, assumed to be an exact value (299792458 m/s), and time by the frequency of atomic vibrations, to a rather great precision.
	www.du.edu /~jcalvert/tech/oldleng.htm (2464 words)

	Foot (unit of length) - Wikipedia, the free encyclopedia
		A foot (plural: feet; symbol or abbreviation: ft or, sometimes, ′ – a prime) is a unit of length, in a number of different systems, including English units, Imperial units, and United States customary units.
		In 1958 the United States and countries of the Commonwealth of Nations defined the length of the international yard to be 0.9144 metres.
		In order to enable simultaneous use of the different units of length based on different parts of the human body and other "natural" units of length, the different units were redefined as multiples of each other, whereby their lengths no longer corresponded to the original "natural" standards.
	en.wikipedia.org /wiki/Feet_(unit_of_length) (982 words)

	Feet to Meters conversion calculator - Length conversions
		Feet to Meters conversion calculator - Length conversions
		a linear unit of length equal to 12 inches or a third of a yard
		WEBMASTERS: add a Feet to Meters conversion calculator to your website or choose from the many other conversion calculators we have
	www.metric-conversions.org /length/feet-to-meters.htm (56 words)

	length
		The Egyptians have evidence that proves that they may be the earliest civilization that discovered a standard unit for length.
		When measuring length in the customary system the common units used are inches, feet, yards, and miles.
		Units of length measure height, width, length, depth, and distance.
	www.coe.uh.edu /archive/science/science_lessons/scienceles3/length/length.html (406 words)

	acre
		In the United States, since the acre is a land measure it is currently based on the U.S. survey foot and not on the international foot.
		The length of the acre, 40 perches, was roughly the distance a team of oxen could plow before needing a breather (this furrow-long became the furlong, 220 yards).
		This length is also the distance between wickets in cricket, and the width of the strip of land that could be acquired by eminent domain for a road in the less-developed parts of the British Commonwealth.
	www.sizes.com /units/acre.htm (696 words)

	Length
		Length is a one-dimensional concept related to the geometric concepts of direction and line.
		Length measures need to be investigated in the many practical situations in which they occur, for example, as length, width, depth, height, thickness or closeness of objects.
		Measuring the length of objects using non-standard or informal units is the third stage in the learning sequence.
	www.nzmaths.co.nz /Measurement/Length/Length.htm (1724 words)

	The MSDS HyperGlossary: Distance Unit Conversions
		A unit of length equal to 660 feet = 201.168 meters.
		A unit of distance that would be traversed in a period of one year by an object moving at the speed of light in a vacuum (300,000,000 meters per second).
		A unit of distance equal to the distance from the sun to a point having a heliocentric (sun-centered) parallax of one second (second as an angle, not a time unit).
	www.ilpi.com /msds/ref/distanceunits.html (805 words)

	Length (Site not responding. Last check: 2007-10-18)
		Length is a measure of how long something is from end to end.
		Units are used to measure the length and distance.
		To measure very short lengths, such as the length of your thumb or one of your toes, we usually use centimeters or inches.
	www.cdfa.ca.gov /measurement/KidsPage/Length.htm (123 words)

	Foot (unit of length) - Free net encyclopedia (Site not responding. Last check: 2007-10-18)
		Template:Unit of length A foot (plural: feet) is a non-SI unit of distance or length, measuring around a third of a meter.
		This unit is sometimes denoted with a prime (e.g.
		The imperial foot was adapted from an Egyptian measure by the Greeks, with a subsequent larger foot being adopted by the Romans.
	www.netipedia.com /index.php/Feet (442 words)

	length
		Length is a measurement of distance or dimension.
		The two main systems to measure length are the metric and the English system.
		The meter is the standard unit and portions of that are in tens.
	library.thinkquest.org /3804/length.html (77 words)

	length unit Comparison Table (Site not responding. Last check: 2007-10-18)
		A unit of length based on the radius of the first Bohr orbit of hydrogen 1.
		A unit of distance used for describing nuclear distances just as the ångström is used for atomic distances.
		The distance at which one astronomical unit subtends an angle of 1 second of arc.
	www.site.uottawa.ca:4321 /astronomy/lengthunit_table.html (240 words)

	28-1095 - Vehicle length; exceptions; permits; rules; definitions
		A recreational vehicle, a power unit, a farm vehicle, a horse trailer or wheeled equipment as defined in section 28-2153 if used in combination with two units and if the combination does not exceed sixty-five feet in length.
		The length of a semitrailer operating in a truck tractor-semitrailer combination or a truck tractor-semitrailer-forklift combination shall not exceed fifty-seven feet six inches.
		The middle unit may be a farm vehicle or a horse trailer and shall have a weight equal to or greater than the rear unit.
	www.azleg.state.az.us /ars/28/01095.htm (785 words)

	Online Unit Conversion - Convert from feet to centimeter
		Over history this size has varied from region to region and there is some discrepancy as to an exact standard or origin of the standard measurement for feet that we use today.
		Later in the 1100's a foot of modern length, the "foot of St. Paul's," was inscribed on the base of a column of St. Paul's Church in London.
		The centimeter (or centimetre) was the basic unit of distance in the former CGS (centimeter, gram, second) version of the metric system, equal to 0.01 meter.
	www.onlineunitconversion.com /feet_to_centimeter.html (209 words)

	The MSDS HyperGlossary: Area Unit Conversions
		The area of a square measuring one rod (16.5 feet) on a side.
		The area of a square measuring approximately 209 feet on a side.
		One are = 1076 sq feet = 100 sq meters = 0.01 hectares = 0.0247105 acres.
	www.ilpi.com /msds/ref/areaunits.html (646 words)

	E.B. Holmber & Associates
		Acre - The (English) acre is a unit of area equal to 43,560 square feet, or 10 square chains, or 160 square poles.
		As a unit of length, approximately 191.8 feet (180 old French 'pied', or foot).
		The (square) arpent is a unit of area, approximately.845 acres, or 36,802 square feet.
	www.ebholmberg.com /glossery.html (1553 words)

	Feet definition - Medical Dictionary definitions of popular medical terms
		Feet: The plural of foot, both an anatomic structure and a unit of measure.
		As a measure of length, a foot is 12 inches or a third of a yard or, metrically, 30.48 centimeters.
		The foot was originally the length of a man's foot and served as a measurement of land.
	www.medterms.com /script/main/art.asp?articlekey=3405 (251 words)

	Length - Dictionary of Unit - List of Measurement Unit - Dictionary of Length Units
		The S I unit of length is the metre.
		To change any of these other units of length into their equivalent values in metres use the operation and conversion factor given.
		Where some uncertainty is indicated it means that a good idea of the size of the unit can be given but that a better value would depend upon knowing the period and/or culture in which the unit was being used.
	www.hobbyprojects.com /dictionary_of_units/length.html (174 words)

	Unit Conversions (Site not responding. Last check: 2007-10-18)
		The units are a part of the quantity and it is incorrect to report a dimensional quantity without its associated units.
		Knowing how to get from volume units without the word cubic in their name to those that have the word cubic is important when you are calculating the volume of something using a formula that will only let you obtain an answer in some kind of cubic units.
		Whatever unit appears at the tail of the arrow will be in the denominator of the corresponding conversion factor, and whatever unit appears at the head of the arrow will be in the numerator of the corresponding conversion factor.
	www.accd.edu /pac/chemistr/lectures/unitconv.htm (3840 words)

	The Royal Cubit
		There is evidence that the measurement unit known as the Royal Cubit was already in use as much as one hundred years prior to the building of the Great Pyramid, and perhaps even somewhat earlier.
		If, as we have presupposed, the distance of 6,046 feet had been determined to be the length of a minute of latitude (i.e., a 60th of a degree), then it would have been appropriate to have further divided this amount by 60ths in search of a unit standard.
		However, irrespective of the units in which they may have been measured, the actual lengths of the 'thirds' of longitude would have been found to be the same as described here.
	www.sover.net /~rc/deep_secrets/cubit/index.html (1896 words)

	Convert cm to feet - conversion of measurement units
		A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length.
		A corresponding unit of volume is the cubic centimetre.
		A foot (plural: feet) is a non-SI unit of distance or length, measuring around a third of a metre.
	www.convertunits.com /from/cm/to/feet (340 words)

	UnitMath FAQ ( Units )
		A unit is a quantity in terms of which the magnitudes of other quantities of the same type can be stated.
		Where the length is in feet and the answer is in knots.
		The actual conversion from a "Normalized" equation to a general equation was done by dividing the length by feet to get a number representing the number of feet, and multiplying the result by knots to get the result in the knots.
	unitmath.com /um/p/FAQ/Units.html (838 words)

	SimScience - Length Scales in Physics
		You are probably familiar with some measurement units, such as feet, inches, yards, and miles.
		Because it is easy to change from using one metric unit to another (you'll see how this is done), and because people all over the world use the metric system, scientists find it the easiest system to use.
		Its not a coincidence that the basic metric unit of length is about right for measuring a person.
	simscience.org /membranes/advanced/essay/length_scales.html (501 words)

	methods
		Since space is three-dimensional, a unit of volume is the cube of a unit of length, such as centimeters, feet, inches, or meters.
		A less specific unit with which to describe an amount of substance is a unit of mass.
		When you settle on units with which to describe quantities, you should select an appropriate prefix so that the expressions are simplified as much as possible.
	www.ruf.rice.edu /~bioslabs/methods/solutions/units.html (498 words)

	Surveying Units and Terms
		- The (English) acre is a unit of area equal to 43560 square feet, or 10 square chains, or 160 square poles.
		As a unit of length, approximately 191.8 feet.
		The (square) arpent is a unit of area, approximately.85 acres.
	www.lest-we-forget.com /RootsLady/universal/survey1.htm (594 words)

	Teddy Bears
		In this unit we compare the lengths of the children’s favourite soft toys directly and then indirectly using multi-link cubes.
		Units are chosen for their convenience and appropriateness to the object being measured.
		Units are placed end to end in a straight line and then counted to find the distance (length) between two points.
	www.nzmaths.co.nz /Measurement/Length/TeddyBears.htm (968 words)

	ParkWise - Unit Conversion - meters and feet
		The Novarupta volcano in Katmai National Park and Preserve is 4860 feet high.
		The North Pacific population of minke whales is thought to be between one-fourth and one-third of its pre-whaling numbers.
		Humpback whales are the most acrobatic of whales and a breaching humpback (heaving itself leaping and turning out of the water) is an exciting sight to see, but they are currently considered an endangered species.
	www.nps.gov /akso/ParkWise/Students/Activities/Units_metersandfeet.htm (838 words)

	Scavenger Hunt for Lengths--Mathematics lesson plan (grades 6-8)--DiscoverySchool.com (Site not responding. Last check: 2007-10-18)
		Possible strategies include estimating the length of part of the object and using this to estimate the whole length, comparing the length with a length they know, and estimating the shortest and the longest possible lengths and using these to estimate the range of the length.
		Context: Originally, a foot was the length of the king’s foot, but now it is a standard unit of length equal to 12 inches, or one-third of a yard.
		Context: The length of a hockey field is 100 yards, and its width is 60 yards.
	school.discovery.com /lessonplans/programs/lengths (1685 words)

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