| Following
is a list of freeware that provides tools for unit conversion and engineering calculations. To
learn more about a particular item, click on the item name. To
download a software product or visit an interactive web site,
click on "download" or "view," respectively.
But first, please read our disclaimer and
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Acceleration Unit Converter
By Easy Unit Converter. Online tool for converting units of acceleration.
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Acceleration Units Converter
By The JavaScript Source. Use this online calculator to convert from one acceleration unit to another, including cm/sec/sec, ft/hr/sec, knots/sec, and others.
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AQI Calculator: AQI to Concentration
By US Environmental Protection Agency, Office of Air Quality Planning and Standards (OAQPS). Select a criteria pollutant and enter the Air Quality Index (AQI); the associated pollutant concentration and health information are indicated.
visit
AQI Calculator: Concentration to AQI
By US Environmental Protection Agency, Office of Air Quality Planning and Standards (OAQPS). Select a criteria pollutant and enter the pollutant concentration in the specified units; the Air Quality Index and associated information are calculated.
visit
Area Unit Converter
By Easy Unit Converter. Online tool for converting units of area.
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Area Units Converter
By The JavaScript Source. Use this online calculator to convert from one unit of area to another, including square feet, square meters, acres, rods, square miles, and others.
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Atmospheric Properties Calculator
By The JavaScript Source. Input altitude, speed, and reference length and this online calculator will estimate temperature, density, pressure, speed of sound, viscosity, Reynolds Number, and more.
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Computer Unit Converter
By Easy Unit Converter. Online tool for converting computer-related units.
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CONCOR
By US Environmental Protection Agency, Office of Air Quality Planning and Standards (OAQPS). CONCOR is a program for converting latitude/longitude coordinates to UTM or UTM coordinates to latitude/longitude.
download
Darcy Flux & Groundwater Velocity Calculator
By GroundwaterSoftware.com. A free, online tool to calculate Darcy's Law and average groundwater velocity.
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Distance and Length Unit Converter
By Easy Unit Converter. Online tool for converting units of distance or length.
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Electric Capacitance Converter
By Easy Unit Converter. Online tool for converting units of electric capacitance.
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Electric Current Converter
By Easy Unit Converter. Online tool for converting units of electric current.
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Energy Measurement Converter
By Easy Unit Converter. Online tool for converting units of energy.
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Energy Unit Converter
By The JavaScript Source. Use this online calculator to convert from one unit of energy to another, including Joules, Kg-meters, ft-lbs, Kw-hrs, Kcal, Btus, and more.
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Engineering Statistics Handbook
By National Institute of Standards and Technology. Details numerous methods to help scientists and engineers incorporate statistical methods in their work.
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Frequency Unit Converter
By Easy Unit Converter. Online tool for converting units of frequency.
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Guide to Available Mathematical Software
By National Institute of Standards and Technology. Studies techniques to provide scientists and engineers with improved access to reusable computer software components which are available to them for use in mathematical modeling and statistical analysis. It provides centralized access to such items as abstracts, documentation, and source code of software modules that it catalogs.
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Illuminance Unit Converter
By Easy Unit Converter. Online tool for converting units of illuminance.
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Length Units Converter
By The JavaScript Source. Use this online calculator to convert from one unit of length to another, including feet, meters, inches, miles, kilometers, chains, and others.
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Linear Interpolation Calculator
By GroundwaterSoftware.com. A free, online tool to perform linear interpolation calculations. Linear interpolation determines, from two points (x1,y1) and (x2,y2), what the value of y is at a different point x3.
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Luminance Unit Measurement Converter
By Easy Unit Converter. Online tool for converting units of luminance.
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Metric Angle Converter
By Easy Unit Converter. Online tool for converting angle units.
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Metric Density Unit Converter
By Easy Unit Converter. Online tool for converting units of density.
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Metric Force Converter
By Easy Unit Converter. Online tool for converting units of force.
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Metric Power Converter
By Easy Unit Converter. Online tool for converting units of power.
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Metric Pressure Converter
By Easy Unit Converter. Online tool for converting units of pressure.
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Metric Speed Conversion
By Easy Unit Converter. Online tool for converting units of speed.
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Metric Volume Unit Converter
By Easy Unit Converter. Online tool for converting units of volume.
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Metric Weight Measurement Converter
By Easy Unit Converter. Online tool for converting unit of weight.
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OnSite OnLine Tools for Site Assessment
By US Environmental Protection Agency, Office of Research and Development. The OnSite set of online tools for site assessment contains calculators for formulas, models, unit conversion factors and scientific demonstrations to assess the impacts from ground water contaminants.
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Pressure Units Converter
By The JavaScript Source. Use this online calculator to convert from one unit of pressure to another, including lbs/sq inch, atmospheres, inches Hg, inches H2O, and others.
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Radioactive Decay Calculator
By The JavaScript Source. If you know the rate of decay (radioactive decay or biodegradation half-life), you can select a period of time and this online calculator will estimate the amount, or percentage of the original that remains.
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Temperature Measurement Conversion
By Easy Unit Converter. Online tool for converting units of temperature.
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Time Unit Converter
By Easy Unit Converter. Online tool for converting units of time.
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