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	Online Conversion - http://www.onlineconversion.com/ Offers conversion tools for length, volume, temperature, astronomical, clothing sizes, computer bytes, cooking measurements, time zones, density, energy, finance, flow rates, force frequency, and some fun pages.
	WWW Unit Converter - http://www.digitaldutch.com/unitconverter/ Converts area, density, energy, force, length, mass, power, pressure, speed, temperature and volume, bits and bytes.
	Conversion Factors for Energy Equivalents - http://physics.nist.gov/cuu/Constants/energy.html Physics laboratory of the National Institute of Standards and Technology (NIST) sponsors and maintains this reference resource of CODATA-recommended values of fundamental physical restraints.
	International System of Units - http://physics.nist.gov/cuu/Units/index.html Definitions of SI units and SI prefixes, units outside the SI, rules and style conventions, historical context for SI units, international aspects of the SI, and unit conversions.
	World Wide Metric - http://www.worldwidemetric.com/metcal.htm Java metric conversion calculator for length, weight, pressure, and volume.

	Convert-Me - http://www.convert-me.com Metric, English old Russian, ancient Greek and Roman, nautical, typographical and astronomical conversions.
	How Many? - http://www.unc.edu/~rowlett/units/index.html A dictionary of units of measurement: explanations of the metric system, System Internationale (SI), English customary system, and other modern measuring systems. Plus extensive links to other measurement-related Internet resources.
	Measurement Units Translation - http://www.convert-me.com/en/ Measurements converter for time, length, volume, and weight. Requires JavaScript.
	MegaConverter - http://www.megaconverter.com/ Resource for units, weights, measures, calculators and converters.
	Unit conversion and Reference Tables - http://www.chemie.fu-berlin.de/chemistry/general/index_en.html Features converters for physical constants, SI units, temperature, currency, and temperature.

	Convert It - http://www.convertit.com Features converter tools for measurement, currency exchange, world time zones, time, finance, driving distance, Roman numerals, atmosphere, and body mass index. Also, has a basic calculator and periodic table.
	iAgora Conversions - http://www.iagora.com/itravel/tools/ Converts temperature, currency, length, and mass.
	Metric Conversions - http://www.sciencemadesimple.com/conversions.html Online calculator converts between metric, British, and American units.
	NIST Metric Information and Conversions - http://ts.nist.gov/WeightsAndMeasures/Metric/mpo_home.cfm Factsheets, regulations and conversion tools. Official site of the United States Metric Program.
	All Measures - http://www.allmeasures.com/ Conversion table of non-metric measures into SI and CGS.

	Chinese Numbers - http://www.mandarintools.com/numbers.html Put in a number and get the Chinese representation of that number. Also, converts from Arabic numeral back to the Chinese form.
	Unit Conversions - http://www.chemie.de/tools/units.php3?language=e Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.
	Body Height Weight Converter - http://www.albireo.ch/bodyconverter/ Converts from American to metric units and vice versa.
	Unit Conversion and Day of the Week - http://scphillips.com/units//index.html Converts such things as inches to centimetres, gallon to cubic metres or even curie to becquerel
	SI Units - http://www.chemie.fu-berlin.de/chemistry/general/si_en.html Reference information on the International System of Units (SI).

	The Foot Rule - http://www.footrule.com/ Convert units from one measure to another (e.g. meters to yards, liters to gallons). A very extensive collection of units and categories. Includes usage and definitions descriptions of units and categories.
	eFunda: Units and Constants - http://www.efunda.com/units/index.cfm The index page for units, fundamental constants, and currencies.
	EngNet Engineering Units Converter - http://www.engnetglobal.com/tips/convert.asp Online calculator provides conversions between a number of common (and not so common) units.
	Temperature Converter - http://www.albireo.ch/temperatureconverter/ Converts Fahrenheit to Celsius and vice versa.
	English Weights and Measures - http://home.clara.net/brianp/index.html History and usage of English/Imperial/customary weights and measures, with conversion factors, and pictures. Minims, drachms, pecks, bushels, rods, poles, perches, furlongs, ounces, fathoms, pints, gallons, nails, chains, chaldrons, tods, crowns, florins, groats, farthings and guineas.

	Equatorial to Galactic Converter - http://fuse.pha.jhu.edu/support/tools/eqtogal.html Convert Equatorial to Galactic Coordinates.
	Temperature Converter - http://www.ausmaps.com/converter.php Simple Celsius-Fahrenheit conversions.
	The Metric System - http://www.essex1.com/people/speer/metric.html Outline of the metric system with emphasis on applications in physics.
	Measuring Low Concentrations - http://www.cefic.org/metricscale/low_concentration.htm Explains with many examples the question of "What do ppm, ppb, ppt and ppq stand for?"
	The Scale of Things - http://www.cefic.org/metricscale/scale.htm Illustrated examples of sizes in the metric system, from ters- to pico-.

	Units of Measurement - http://www.themeter.net/index_e.htm Conversions and equivalences of the principal units of measure of the SI and Anglo-Saxon systems.
	Metric 4 US - http://www.metric4us.com/ A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
	Measurement Unit Converter - http://www.people.virginia.edu/~rmf8a/convert.html Converts many units of measurement using a JavaScript 1.1 applet.
	IEER Technical Classroom - http://www.ieer.org/clssroom/unitconv.html Table of conversion factors for selected units relevant to nuclear topics.
	Metric Conversion Tables to Imperial Measurements - http://www.simetric.co.uk/ Standard-to-metric conversion factor tables with definitions, derived units and prefixes.

	British Weights and Measures Association (BWMA) - http://www.bwmaonline.com/ Pressure group opposing compulsory metrication. Political, consumer and transport information, discussion boards and links.
	Metric Conversion Tables - http://www.metric-conversion-tables.com/ Conversion factors and online calculators for metric and imperial units.
	GourmetSleuth - http://www.gourmetsleuth.com/general_calcs.htm Conversion calculators for distance, length, area, volume weights, and temperature.
	GoConvert - http://www.goconvert.com/ Convert currencies and measurements.
	Unit Converters - http://www.scorpiosite69.freeserve.co.uk/conversions.htm Features conversion calculators for atmospheric pressure, volume, distance, weight, velocity, temperature, and force.

	UK Metric Association - http://www.ukma.org.uk/ Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help.
	Math Connect - http://www.mathconnect.com Provides calculations of various types including metric conversion, engineering calculations, and computing finance loan payments. Also, has list of general math formulas.
	Conversions-R-Us - http://freegroups.net/conversion/ Convert units of measurements, bases, and PPT, RTF, DOC, and XLS files to HTML.
	Cleave Books - Specialist Calculators - http://www.cleavebooks.co.uk/scol/index.htm Features converters for perimeter measurements of geometric figures, fractions, percentages, number bases, loan repayments, growth and decay, cost of living index, fuel consumption, flow rate, specific energy, viscocity, and heat capacity.
	SI Guide - http://www.metricmethods.com/SIguidelines.html Provides translation of unit and prefix names for the international metric system (SI) into various languages. For some, transliterations are also given.

	Conversion Tables - http://www.conversiontables.info More than 40 different unit conversion tables.
	Interactive Unit Equivalency Table Generator - http://www.triatek.com/TriaUtil/unitconvtable.htm Generates an equivalency table from any engineering unit to any other.
	Metric System Formulas - http://www.rocler.qc.ca/dusablon/wintips/ Formulas for converting imperial system into metric system. Site in both English and French.
	On-Line Measures Converter - http://amedvedev.chat.ru/ Length, area, mass and weight, volume and capacity, temperature, angles, force, torque, electricals, cloth sizes, and some others.
	MIT 3.091 Units Converter - http://web.mit.edu/course/3/3.091_dev/javaexamples/Hello/unit-convert.html A tool for engineers and others to convert from almost any set of units to any other.

	National Weights and Measures Laboratory (UK) - http://www.nwml.gov.uk/faqs.aspx?ID=8 Official imperial-to-metric conversion tables.
	Ron's Hard Conversion Tools - http://www.ronshardwebapps.com/conversions.asp Online unit conversion calculators for volume, distance, weight, and temperature units. Also includes number conversion (decimal, hex, and binary) and a tool to convert characters to or from ASCII codes.

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