Units of Measurement Reference
Units of Measurement Reference
Online calculators and other resources for converting metric units to U.S. units, converting ancient measuring units to modern units, and converting within a measurement system (such as from liters to cubic meters).
Top: Science: Reference Units of Measurement
See Also:
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Metric Conversion Tables to Imperial Measurements - Standard-to-metric conversion factor tables with definitions, derived units and prefixes.
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Sensible Units - Converts various units to more tangible units or objects.
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Convertworld - Interactive multi-lingual conversion calculator for a wide variety of units.
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Ask Numbers - Offers a wide variety of unit conversion tools and conversion charts for fast lookup.
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Live Currency Converter - Provides a free online currency converter and the table of different exchange rates
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Conversion Factors for Energy Equivalents - 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.
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Unit Conversion and Reference Tables - Features converters for physical constants, SI units, temperature, currency, and temperature.
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Online Conversion - 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.
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SI Guide - Provides translation of unit and prefix names for the international metric system (SI) into various languages. For some, transliterations are also given.
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Metric Conversions - Provides free online conversion tools, which can be added to any websites. It also offers metric conversion tables for download and print.
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English Weights and Measures - 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,
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Unit Converter - Conversion tools for different types of units in different languages.
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British Weights and Measures Association (BWMA) - Pressure group opposing compulsory metrication. Political, consumer and transport information, discussion boards and links.
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eFunda: Units and Constants - The index page for units, fundamental constants, and currencies.
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Metric 4 US - A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
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Convert Center - Provides online unit converters
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National Weights and Measures Laboratory (UK) - Official imperial-to-metric conversion tables.
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The Converter Site - Includes online conversion and calculation tools. Possible to change the precision of the result.
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Unit Conversions - Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.
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International System of Units - 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.
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Unit Juggler - Provides unit conversion tools for various math and physical units in different languages.
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NIST Metric Information and Conversions - Factsheets, regulations and conversion tools. Official site of the United States Metric Program.
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EngNet Engineering Units Converter - Online calculator provides conversions between a number of common (and not so common) units.
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UK Metric Association - Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help.
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The Metric System - Outline of the metric system with emphasis on applications in physics.
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A Converter - Features online conversion tools for math, physics and currency.
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iAgora Conversions - Converts temperature, currency, length, and mass.
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Convert-Me - Metric, English old Russian, ancient Greek and Roman, nautical, typographical and astronomical conversions.
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How Many? - 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.
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WWW Unit Converter - Converts area, density, energy, force, length, mass, power, pressure, speed, temperature and volume, bits and bytes.
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Smart Conversion - Offers online unit conversion and calculation tools with corresponding math formulas. Plus conversion validation and unit lookup tools.
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Chinese Numbers - Put in a number and get the Chinese representation of that number. Also, converts from Arabic numeral back to the Chinese form.
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Units of Measurement - Conversions and equivalences of the principal units of measure of the SI and Anglo-Saxon systems.
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The Foot Rule - 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.
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Unit Easy - Provides a set of unit converters with related information of each unit. Also it is possible to change the number system of the result.
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Convert It - 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.
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All Measures - Conversion table of non-metric measures into SI and CGS.
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Metric Scale - Explains with many examples the question of "What do ppm, ppb, ppt and ppq stand for?". Includes illustrated examples of sizes in the metric system, from ters- to pico-.
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Unit Conversion - Provides more than 2100 various units of measure in more than 70 categories.
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Conversion Metric - Provides a set of unit converters and explanations of each unit.
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