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Currently the Calculators On-Line Center contains
over "23,525" Calculators & Spreadsheets,

over "4,305" Courses, Lectures, Manuals, Handbooks,
& "1,000's" of Movies, Videos, Simulations & Animations


Unit Conversion


International System of Unit


Large Conversion Calculators - Over 300 Calculators


Specialized & Medium Size Conversion Calculators



Complex Mathematics


Paper Tape Scientific Calculators


Desktop & Mobile Devices Scientific, RPN, etc. Calculators



Mathematics Center



Calculators On-Line Center







Unit Conversion




      UNIT CONVERSION CALCULATORS & APPLETS
        (Large Conversion Calculators - Over 300 Calculators)


        UNIT CONVERTER CALCULATORS - I. Lewis, IML Design, IML Design Pty Ltd. Hampton, Victoria, Australia VERY VERY VERY...EXTENSIVE.
        Display Answere to 4 or 10 Decimal Places.
        Examples of Unit Conversion Calculators include
          "...Acceleration Calculator; Angle Calculator;
          Area & Second Moment Area Calculator;
          Energy Calculator; Force Calculator;
          Length Calculator; Light Calculator;
          Mass and Moment of Inertia Calculator;
          Moment of Force or Torque Calculator;
          Power Calculator; Pressure & Stress Calculator;
          Temperature Calculator; Time Calculator;
          Velocity Calculator; Viscosity Calculator; etc..."
        For more information see IML Design



        UNIT CONVERTER CALCULATORS - Dredging Engineering Research Laboratory, Mechanical Engineering and Marine Technology, Faculty O.C.P., Delft University of Technology, Delft, The Netherlands VERY VERY VERY...EXTENSIVE.
        Examples of Unit Conversion Calculators include
          "...Acceleration Calculator; Area Calculator; Torque Calculator;
          Electricity Calculator; Energy Calculator; Force Calculator;
          Force/Length Calculator; Light Calculator; Mass Calculator;
          Mass Flow Calculator; Density & Mass Capacity Calculator;
          Power Calculator; Pressure & Stress Calculator;
          Temperature Calculator; Time Calculator;
          Velocity & Speed Calculator; Viscosity Calculator;
          Volume & Capacity Calculator; Volume Flow Calculator; etc..."
        For more information see Dredging Engineering Research Laboratory



        CONVERTUNIT/KONVERTERA - M. Bergsten, Stockholm, Sweden VERY VERY EXTENSIVE.
        Available in English & Swedish/Svenska.
        Significant Figures to 7 places with option to use Scientific Notation.
        Depending on Measuring Conversion, Unit Conversions include:
          "...Metric; British; American; Chinese; Japanese; Nautical;
          Avoirdupois; Ancient Greek; Biblical; Old Swedish; Troy;
          Astronomical;, etc..."
        Unit Conversion Calculators include:
          "...Area; Data Storage; Distance/Length; Energy; Fuel Consumption;
          Power; Pressure; Speed; Temperature; Time; Volume/Capacity;
          Weight/Mass; etc..."



        UNIT CONVERSION CALCULATORS (ENGLISH, METRIC, OLD ENGLISH & SPECIAL UNITS (JAPANESE, SPANISH, LATVIA, IRANIAN, OLD TESTAMENT ETC.) - R.E. Greaves, Araneid Creations, U.K. VERY VERY VERY...EXTENSIVE.
        Unit Conversion Calculators include:
          Acceleration Calculator; Angle Calculator; Angular Accleration Calculator; Area Calculator;
          Capacitance Calculator; Charge Calculator; Concentration Calculator; Current Calculator;
          Density Calculator; Dynamic Viscosity Calculator; Energy Calculator; Force Calculator;
          Illumination Calculator;
          Length Calculator; Length (Foreign) Calculator; Linear Density Calculator;
          Magnetic Flux Calculator; Magnetic Induction Calculator; Mass Calculator;
          Mileage Calculator; Moment of Inertia Calculator;
          Potential Calculator; Power Calculator; Pressure Calculator;
          Solid Angle Calculator; Speed Calculator; Surface Tension Calculator;
          Temperature Calculator; Thermal Conductivity Calculator; Time Calculator;
          Torque Calculator; Volume Calculator;
          Weight Calculator; Weight (Foreign) Calculator; etc.
          Ancient Weight Conversions include
            Arabic Weights; Greek Weights; Roman Weights;
            Old Testament Weights; Old Palestine Weights; etc.
          Ancient Length Conversion include
            Arabic; Assyrian; Aztec; Babylon; Biblical; Chinese;
            Druid; Egyptian; Greek; Hashimi; Homeric; Old French;
            Olympic; Persian Royal; Roman; Sumerian; etc.
        For more information see The Foot Rule



        CONVERSION OF UNITS/UMRECHNUNG VON EINHEITEN - Institut für Chemie und Biochemie - Bereich Chemie, Freie Universität Berlin, Germany VERY VERY EXTENSIVE.
        Available in English & German/Deutsch.
        Conversion of Units Calculator
          "...You may write a numerical value and a permissible unit into the free-form field. Alternatively, the unit may be selected from the selector box. The numerical value may be omitted (default is 1). You may select the "wanted" unit from the selector box. Alternatively, a permissible "wanted" unit (US name) may be written into the free-form field (usually, no numerical value).
        For more information see the Institute of Chemistry (English Version) or the Institut für Chemie und Biochemie - Bereich Chemie



        CONVERT-ME - S. Gershtein VERY VERY EXTENSIVE.
        Available in English & Russian.
        Depending on Measuring Conversion, Unit Conversions include:
          "...Metric; British & American; Japanese;
          Chinese Imperial; Thai; Nautical;
          Typographical (British & U.S.: ATA System);
          Typographical (Europe: Didot System);
          Astronomical; Old French; Old Russian;
          Ancient Roman; Biblical; Ancient Greek; Artillery; etc..."
        Unit Conversion Calculators include:
          "...Weight & Mass Calculator; Distance & Length Calculator;
          Capacity & Volume Calculator; Area Calculator; Speed Calculator;
          Temperature Calculator; Pressure Calculator;
          Energy & Work Calculator; Power Calculator; Torque Calculator;
          Circular Measure Calculator; etc..."



        CONVERT IT - ConvertIt.com, Inc. VERY VERY VERY...EXTENSIVE.
        Unit Conversion Calculators include:
          "...Area Calculator; Acceleration Calculator; Angular Acceleration Calculator,
          Momentum Calculator; Power Calculator; Velocity Calculator;
          Dose Equivalent Calculator; Dynamic Viscosity Calculator;
          Electric Charge Calculator; Electric Charge Density Calculator; Electric Current Calculator;
          Electric Dipole Moment Calculator; Electric Field Strength Calculator;
          Electric Flux Density Calculator; Electric Potential Calculator;
          Electric Resistance Calculator; Force Calculator; Frequency Calculator;
          Heat Capacity Calculator; Heat Flux Density Calculator;
          Kinematic Viscosity Calculator; Length Calculator; etc..."



        CRUDE OIL, CONDENSATE, LPG, LNG, ETHANE, RATES PER DAY/YEAR, CHOKE SIZES ETC. - SANTOS CONVERSION CALCULATORS - Santos Limited, Adelaide, Australia VERY VERY VERY...EXTENSIVE.
        Examples of Petroleum Calculators include:
          Crude Oil Calculator INPUT Values include
            "...Barrels;
            1000 Barrels of Oil Equivalent (KBOE);
            Tonnes or Kilolitres..."
          Condensate Calculator INPUT Values include
            "...Barrels;
            1000 Barrels of Oil Equivalent (KBOE);
            Tonnes or Kilolitres..."
          Liquefied Petroleum Gas (LPG) Calculator INPUT Values include
            "...Barrels;
            1000 Barrels of Oil Equivalent (KBOE);
            Tonnes or Kilolitres..."
          Liquefied Natural Gas (LNG) Calculator INPUT Values include
            "...1000 Barrels of Oil Equivalent (KBOE);
            Tonnes;
            Terajoule (TJ) or Petajoule (PJ)..."
          Ethane Calculator INPUT Values include
            "...Million Dubic Metres (MMCM);
            Million Cubic Feet (MMCF);
            KTonnes;
            Terajoule (TJ)..."
          Volume Calculator INPUT Values include
            "...Cubic Metres;
            Cubic Feet;
            Barrels;
            Litres;
            Kilolitres;
            US Gallons;
            Imperial Gallons..."
          Choke Sizes Calculator INPUT Values include
            "...Inches;
            Millimetres;
            64ths..."
        For more information see Santos



        UNIT CONVERSIONS CALCULATORS - The Converter Site, Alastair Hazell VERY VERY EXTENSIVE.
        Unit Conversions Calculators
          "...Display answers: 1 to 7 decimal places..."
        Examples of Unit Conversion Calculators include:
          Acceleration Converter Calculator
            Centimeters per Second, Decimeters per Second, Dekameters per Second, etc..."
          Area Converter Calculator
            "...Acres, Ares, Barns, Hectares, Square Angstroms, Square Feet,
            Square Hectometers, Square Inches, Square Miles, Square Millimeters, etc..."
          Energy Converter Calculator
            "...British Thermal Units, Calories, Electron Volt, Ergs, Foot Pounds,..."
          Fuel Consumption Converter Calculator; Length and Distance Converter Calculator;
          Liquid Volume Converter Calculator; Mass and Weight Converter Calculator;
          Power Converter Calculator; Temperature Converter Calculator;
          Time Converter Calculator; Velocity Converter Calculator; etc..."




        EINHEITEN-KONVERTER (UNIT CONVERSIONS CALCULATORS) - Chemie.DE Information Service GmbH, a Life Science Network Division VERY VERY VERY...EXTENSIVE.
        In German/Deutsch.
        Examples of Unit Conversion Calculators include:
          "...Acceleration Calculator; Angle Calculator; Area Calculator;
          Area Dipole Moment Calculator;
          Capacity Calculator; Charge Calculator; Compressibility Calculator;
          Conductivity Calculator; Current Calculator;
          Density Calculator, Dipole Moment Calculator, Dose Equivalent Calculator;
          Dose Load Calculator;
          Energy Calculator; Effectivity Calculator; Entropy Calculator; Exposure Calculator;
          Force Calculator; Frequency Calculator;
          Illuminance Calculator; Inductance Calculator;
          Kinematic Viscosity Calculator;
          Length Calculator; Luminance Calculator; Luminous Energy Calculator;
          Luminous Flux Calculator; Luminous Intensity Calculator;
          Mass Calculator; Magnetic Flux Calculator; Magnetic Flux Density Calculator;
          Magnetic Reluctance Calculator; Magnetisation Calculator;
          Permitivity Calculator; Power Calculator; Pressure Calculator;
          Radian Calculator; Radioactivity Calculator; Range Calculator;
          Reciprocal Focal Length Calculator; Resistance Calculator;
          Solid Aangle Calculator;
          Temperature Calculator; Thermal Inductance Calculator; Thermal Insulance Calculator;
          Thermal Resistance Calculator; Time Calculator; Transfer Rate Calculator;
          Velocity Calculator; Viscosity Calculator; Voltage Calculator; Volume Calculator; etc..."
        For more information see Chemie DE




        EASY UNIT CALCULATOR - EasyUnitConverter.Com VERY VERY EXTENSIVE.
        Examples of Calculators include:
          "...Angle Calculator; Area Units Calculator; Computer Calculator;
          Cooking Units Calculator; Density Calculator;
          Electric Capacitance Calculator; Electric Current Calculator; Frequency Calculator;
          Illuminance Calculator; Length Calculator; Power Units Calculator;
          Speed Calculator; Time Calculator; Weight Calculator; etc..."



        ENERGY CALCULATIONS: CRUDE OIL, REFINED PRODUCTS (GASOLINE, DISTILLATES, RESIDUAL FUEL, ETC.), COAL, NATURAL GAS, METALS, ETC. - CME Group VERY VERY VERY...EXTENSIVE.
        Energy Calculators
          Crude Oil Calculators include
            Crude Oil Volume Calculator
            Crude Oil Futures Calculator
          Refined Oil Products Calculators include
            Unleaded Gasoline Calculator;
            Unleaded Gasoline Futures Calculator;
            Kerosene Calculator;
            Distillates: Heating Oil & Diesel Calculator;
            Heating Oil Futures Calculator;
            Residual Fuel Oil Calculator;
            Propane Calculator..."
          Natural Gas Calculators include
            "...Natural Gas Calculator;
            Natural Gas Futures Calculator..."
          Coal Calculator Calculator;
          Crack Spreads Calculator;
          Sparks Spreads Calculator; etc.
        For more information see the CME Group



        ENGINEERING UNIT CONVERSION CALCULATORS - eFunda, Inc. VERY VERY VERY...EXTENSIVE.
        ngineering Unit Conversion Calculators
          "...Featuring more than 800 units in our database (and growing), we give the unit definition and SI-dimensions in addition to converting from one unit to other units in the same family..."
        Engineering Unit Conversion Calculators include:
          "...Temperature Calculator; Viscosity Calculator;
          Electric Calculator; Luminous Calculator;
          Wire Gages Calculator; Sheet Metal Gages Calculator;
          Acceleration Calculator; Acoustic Impedance Calculator;
          Angle Calculator;
          Angular Velocity Calculator; Area Moment of Inertia Calculator;
          Electromagnetic Radiation Flux density Calculator;
          Entropy Calculator;
          Exposure Calculator; Fracture Toughness Calculator;
          Illuminance Calculator;
          Logarithm of a Ratio Calculator; Luminous Intensity Calculator;
          Magnetic Flux Calculator; Magnetomotive Rorce Calculator;
          Molar Electric Charge Calculator; Permeability Coefficient Calculator;
          Radiance Calculator; Refractive Power Calculator;
          Surface Density Calculator; etc..."
        For more information see Calculators or Engineering Fundamentals



        ENGINEERING CONVERSION CALCULATORS - EngNet Ltd VERY VERY EXTENSIVE.
        Engineering Unit Conversion Calculators include:
          "...Acceleration Calculator; Angular Acceleration Calculator;
          Area Calculator; Dynamic Viscosity Calculator; Force Calculator;
          Kinematic Viscosity Calculator; Linear Velocity Calculator;
          Angular Velocity Calculator; Density Calculator; Mass Flow Calculator; etc..."
        For more information see Tips & Tools or EngNet - Engineering Directory



        MEGA CONVERTER CALCULATOR (JAVA APPLETS) - Ben-Cam InterMedia VERY VERY VERY...EXTENSIVE.
        Unit Conversion Calculators include:
          Angle Calculator;
          Area Calculator - Foreign Area Calculations include:
            Acre, Hectare, Arpent, Scotish Acre, Yoke, Barony, Sahme, etc.
          Astro Distance Calculator; Force Calculator; Fraction to Decimal Calculator;
          Length Calculator; Length Calculator (Foreign);
          Length (Ancient); Shot Count Calculator; Weight Calculator;
          Weight Calculator (Ancient); Weight Calculator (Foreign);
          Weight in Space Calculator;
          Wine & Spirts Calculations include:
            Litres, Shot, Pony, Double, Triple, Magnum, Jeroboam, Gallon,
            Keg, Wine Barrel, Beer Barrel, etc.); etc.



        METALCALC - The Ganoksin Project VERY VERY EXTENSIVE.
        Unit Conversion Calculators include:
          Metric
            Kiloton, Tonne, Hundredweight, Kilogram, Newton,
            Gram, Carat, Milligram, etc.
          Avoirdupois (U.S.)
            Long Ton, Short Ton, Long Hundredweight, Short Hundredweight,
            Stone, Pound, Ounce, Dram, Grain;
          Troy
            Pound, Ounce, Pennyweight, Carat, Dyne, Grain;
          Apothecaries
            Pound, Ounce, Dram, Scruple, Grain;
          U.S. Liquid Measure
            Acre foot, Cubic yard (cu yd), Barrel, Cubic foot (cu ft),
            Gallon (gal), Quart (qt), Pint (pt), Gill (gi), Fluid Ounce (fl oz),
            Cubic inch (cu in) Fluid dram (fl dr) Minim (min);
          U.S. Dry Measure
            Cubic yard (cu yd), Barrel, Bushel (bu), Cubic foot (cu ft),
            Peck (pk), Gallon (gal), Quart (qt), Pint (pt), Gill (gi),
            Dry Ounce (dr oz), Cubic inch (cu in), Dry dram (dr dr),
            Minim (min); etc.
        For more information see The Ganoksin Project



        ONLINECONVERSION - onlineconversion.com VERY VERY VERY...EXTENSIVE.
        Unit Conversion Calculators include:
          "...Acceleration Calculator; Angles Calculator; Area Square Calculator;
          Astronomical Calculator; Date/Time Calculator; Energy Calculator;
          Flow Rate Calculator; Force Calculator; Length/Distance Calculator;
          Light Calculator; Numbers Calculator; etc..."



        THE THERMAL WIZARD - MAYA Heat Transfer Technologies Limited, Montreal, Québec, Canada Multimedia Thermal Database & Thermal Calculators (Text & Images). VERY VERY VERY...EXTENSIVE.
        Thermal Wizard
          "...is developed and maintained by MAYA Heat Transfer Technologies in Montreal, Quebec, Canada. We hope you find it is a useful tool to help you understand common heat transfer problems and thermal phenomena. Although we try and test the tools to ensure quality, this tool is provided for your personal use..."
        Thermal Wizard includes:
          Material Properties Database "...Metals; Non-metals; Air; Gases; Water; Liquids; etc..."
        Conduction Calculators examples include
          "...Steady-state Conduction on Multilayer Isothermal Wall Calculator;
          Conduction Across Multilayered Isothermal Cylinder Calculator;
          Thermal Interface (Contact) Resistance and Temperature Difference Calculator;
          Rectangular Thin Plate Embedded in Semi-Infinite Medium Calculator; etc..."
        Convection Calculators examples include:
          "...Forced Convection on Isothermal Flat Plate in Free Stream Calculator;
          Forced Convection in the Fully Developed Region of a Duct Calculator;
          Forced Convection Across Isothermal Square Rod Calculator;
          Natural Convection in a Vertical Parallel Plate Channel Calculator;
          Natural Convection between Horizontal Concentric Cylinders Calculator; etc..."
        Radiation Calculators examples include:
          "...Radiation Between Parallel Rectangular Surfaces Calculator;
          Radiation between Parallel Disk Surfaces of Unequal Radius Calculator; etc..."
        Head Loss Coefficients Calculators examples include:
          "...Head Loss at a Duct Entrance Calculator;
          Head Loss Across a Thin Perforated Plate Calculator;
          Head Loss Across Louvers Calculator; etc..."
        For more information see MAYA Heat Transfer Technologies Limited



        WEIGHTS AND MEASURES CALCULATOR - Agricon Africa, Cape Town, South Africa VERY VERY VERY...EXTENSIVE.
        Unit Conversion Calculators include:
          Acceleration Calculator; Area Calculator; Torque Calculator;
          Electricity Calculator; Energy Calculator; Force Calculator;
          Length Calculator; Light Calculator;
          Mass Calculator; Mass Flow Calculator; Density & Mass Capacity Calculator;
          Power Calculator; Pressure & Stress Calculator; Temperature Calculator;
          Time Calculator; Velocity & Speed Calculator; Viscosity Calculator; etc..."
        For more information see Agricon Africa








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