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Top: Science: Reference: Units_of_Measurement: Online_Calculators:

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• Computers: Hardware: Calculators  (128)
• Science: Math: Software: Calculators  (70)

• 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.
• Martindale's Calculators   - An extensive collection of calculators for the sciences, business and everyday measurements. Organized by subject area.

• ABE Volume Calculator Page - A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.
• Allchin Measurements Converter - Converts common measurements from metric to imperial and vice versa, with other systems included for selected quantities such as light years, picas, and Old Russian measures.
• Body Height Weight Converter - Converts from American to metric units and vice versa.
• Calcula - Compound unit calculator and converter. Interface with GNU source code available. In both Spanish (Castellano) and English.
• Calculate for Free - A variety of tools for determining an array of metrics and measurements.
• Calculator City - Includes tools to solve equations like Includes calculators for velocity, density, financial, geometry, algebra, calculus, astronomy, chemistry, physics and webpage color coders. Also, has trivia fact pages, such as state demographics and presidents.
• Calculator.com - Online calculators for a variety of conversions and calculations.
• Chinese Numbers - Chinese Numbers converter. Find Chinese equivalents to English numbers.
• 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.
• Conversion of Units - Database of conversion factors and a calculator.
• Conversion Table of Non-Metric measures into SI and CGS - Conversion of non-metric measures into SI (meter-kilogram-second) and CGS (centimeter-gram-second).
• Conversions-R-Us - Convert units of measurements, bases, and PPT, RTF, DOC, and XLS files to HTML.
• Convert It - Conversion calculator of physical measurements. Includes metric and English units and also a large range of other possible conversions.
• Convertalot - Collection of free Java measurements converters, calculators, unit translators and Java Games with downloadable source code and zip files.
• Convert-Me - Metric, English old Russian, ancient Greek and Roman, nautical, typographical and astronomical conversions.
• Convert-me.Com - Interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian.
• Dario Alpern's Complex Number Calculator - Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.
• eFunda: Units and Constants - The index page for units, fundamental constants, and currencies.
• Engineering Conversion Factors - Online calculators for all engineering units of measurement from Process Associates.
• English-Chinese Ideographic Generator - English-Chinese number converter and chart with ideographic and unicode equivalents
• EngNet Engineering Units Converter - Online calculator provides conversions between a number of common (and not so common) units.
• Equatorial to Galactic Converter - Convert Equatorial to Galactic Coordinates
• FUSE Continuous Viewing Zone Calculator - This calculator can be used to estimate the right ascension and declination of the continuous viewing zone.
• Fuzzycrawler - Converts metric, imperial, energy, torque, acceleration, mass, force, length, light, mass force, and electricity.
• GoConvert - A comprehensive site for conversion calculations. Convert 165 currencies and hundreds of measurements.
• iAgora Conversions - The most complete Unit Conversion Engine around - supports calculations involving temperature, length, mass, and more; Along with a Traditional Conversion Table.
• iFigure - Provides links to online calculators and worksheets. These are interactive, educational tools that provide information to help in planning, solving and making decisions for a variety of problems and tasks that come up daily.
• Interactive Unit Equivalency Table Generator - Generates an equivalency table from any engineering unit to any other.
• KW Liquid tank Heating calculator - To determine kW required to raise the temperature of any Liquid
• Math Connect - Provides calculations of various types including metric conversion.
• Measurement Conversion - Convert volume (capacity), weight, length, area, temperature, pressure, torque, power and energy measures between U.S./Imperial and SI (Metric) units. Requires JavaScript.
• Measurement Unit Converter - Converts many units of measurement using a JavaScript 1.1 applet.
• Measurement Units Translation - Measurements converter for time, length, volume, and weight. Requires JavaScript.
• MegaConverter - Best Place to Figure What Equals What. megaConverter is THE resource for units, weights, measures, calculators and converters.
• Metric Sucks - Metric to English conversion utility, with emphasis on the author's view that the English units are superior. The calculator combines conversions with humor.
• Metric System Formulas - Formulas for converting imperial system into metric system. Site in both English and French.
• MIT 3.091 Units Converter - A tool for engineers and others to convert from almost any set of units to any other.
• MrCalculator - A collection of calculators that run in your web browser.
• Netbored Tools - Weight, temperature, length, area, capacity, pressure, speed and time, also currency converters and translators.
• Ninja Suit - Specializes in e-tools, such as online converters and calculators, for business, education, science, travel, research and enjoyment purposes.
• Online Calculators, Conversion Tools, Measurements and Weights - A directory of resources that will calculate a variety of weights and measures.
• Online Calculators.net - Online Calculators provide free online javascript calculators and converters for unrestricted use
• Online Conversion - Convert just about Anything to Anything else Over 8,100 Conversions and Calculators
• Online Converters - Provide online javascript converters and calculators for converting metric to imperial units and vice-versa.
• On-Line Measures Converter - Length, area, mass and weight, volume and capacity, temperature, angles, force, torque, electricals, cloth sizes, and some others.
• Online Unit Converter - Personalizable, free, and available in five languages. It converts distance and length, area, capacity and volume, pressure, temperature, and speed.
• Physics Calculator - This RPN calculator implements arithmetic and scientific operations and functions, as well as predefined physical constants.
• Prefix Conversion Calculator - Conversion Calculator for Prefixes
• Ron's Hard Conversion Tools - 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.
• Schmidt R Value Conversions - Convert Schmidt R Values to PSI or N/mm2
• Science Made Simple - Online metric converter gives U.S. customary and metric conversions.
• SciNet Resources : Unit Conversions - Various unit conversion programs for engineering including Enthalpy, Entropy, Thermal Conductivity , and Viscosity conversion.
• SingleChips - Online, Java Flow Calculator - Java applet, natural gas flow calculator
• Unit Conversion and Day of the Week - Over 100 conversion factors such as inches to centimetres, gallon to cubic metres or even curie to becquerel. Includes instructions as to how to use the conversion factors in your calculations.
• Unit conversion and Reference Tables - A very handy unit conversion, nearly every known unit is listed here.
• Unit Conversions - Online calculator -- Mississippi State University
• Unit Converter - Online Java unit conversions - converts anything to anything.
• WWW Unit Converter - Converts area, density, energy, force, length, mass, power, pressure, speed, temperature and volume, bits and bytes.

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