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Librarians' Internet Index - Websites You Can Trust

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Weights & Measures

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 Websites presented in alphabetical order

Convert-me.Com view detail comment email this

This site has interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian. Measurements include weight and mass, distance and length, capacity and volume, area, speed, temperature, time, pressure, energy and work, circular measure, and computer storage. Also available in Russian (Cyrillic font).
http://www.convert-me.com/en/
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Aug 9, 2001


Dictionary of Units view detail comment email this

"This dictionary provides an account of the principal units of measurement to be found in use around the world today, and the conversion factors often needed to change them into 'standard' units of the SI [International System of Units] system." Discusses conversions from one system to another and defines the systems themselves. Also includes calculators, a downloadable pocket guide, and a FAQ. From a retired mathematics professor and author.
http://www.cleavebooks.co.uk/dictunit/
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Jan 11, 2007


Google Guide: Calculator view detail comment email this

A tip sheet for Google's built-in calculation function. Learn how to use Google to "add up a list of numbers, convert from miles to kilometers, or evaluate some other mathematical expression." From Google Guide. "Google Guide is neither affiliated with nor endorsed by Google." Also includes links to Google's own online help for the calculator.
http://www.googleguide.com/calculator.html
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Jul 21, 2005


How Many?: A Dictionary of Units of Measurements view detail comment email this

Includes all the units of the International System of Weights and Measures (SIPM); metric; non-metric scientific units such as the astronomical unit, the electron volt, and the parsec; the English Customary Weights and Measures; selected traditional units from cultures other than English; and other measurement terms and notations. Each unit's definition includes conversion factors.
http://www.unc.edu/~rowlett/units/
Topics: Dictionaries, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Jul 14, 2002


Measure Converter view detail comment email this

This site offers conversion tables for area, mass and weight, distance and length, speed, money, percentage, power, pressure, radioactivity, and many other types of measurement units. Tables are available by unit name or category. Site offers a two-way converter.
http://www.allmeasures.com/
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Apr 28, 2002


Measurement Converter view detail comment email this

A "measurement conversion calculator that recognizes any combination of over 800 conversion factors, prefixes, constants, abbreviations, and synonyms." Browse the "Measurements & Currencies Recognized" pages to choose any combination of metric, American, English, historical, and ancient measures.
http://www.convertit.com/Go/ConvertIt/Measurement/Converter.ASP
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Feb 19, 2005


National Institute of Standards and Technology (NIST) view detail comment email this

This federal government agency promotes "U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology." The website contains background about NIST laboratories and funding opportunities, a patent database, publications, pages on standards and weights and measures, activities for children, and more. From the U.S. Commerce Department's Technology Administration.
http://www.nist.gov/
Topics: Ready Reference & Quick Facts

Last updated Apr 25, 2007


Online Calculators, Conversion Tools, Measurements & Weights view detail comment email this

Resources to calculate a variety of weights and measures. Includes a cost of living calculator, a Roman numeral equivalencies calculator, a time zone converter, mortgage and credit card rates calculations, a currency converter, and a dictionary of most units of measurement found around the world. From the libraries of Western Washington University.
http://lib199.lib.wwu.edu/ref/refmeasure.htm
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Apr 2, 2004


Online Conversions view detail comment email this

Converts just about every possible measurement, every possible way. Just a few of the possibilities are: acceleration, area, clothing sizes, cooking, density, luminance, mass, power, pressure, velocity, voltage, and volume.
http://www.onlineconversion.com/
Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Apr 28, 2002


ProBrewer Brewer's Tools view detail comment email this

Includes general calculator tools as well as those specific to brewing. The Volume Unit Conversion Calculator converts metric to imperial--milliters and hectoliters to fluid, pints, and ounces. The Mass Unit Conversion Calculator which converts milligrams, grams, kilograms, and tonnes to grains, drams, ounces, pounds, stones, slug, hundred weight, and tons, as well as bushels to quarters. There are also calculators for temperature, volume flow, alcohol percentage, pressure, hops bitterness, and drink profits.
http://www.probrewer.com/resources/tools/
Topics: Beverages, Drugs & Medications by Type, Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts

Last updated Oct 27, 2002




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