Best Online Calculators

Online Units of Measurement Calculators

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This category lists online calculators, designed to quickly and easily enable users to convert units, calculate interest and all kinds of other calculations. Whether you are a professional needing a quick calculation or a student looking for help, there is an online calculator here which can help.
  • Aqua-Calc

    Site for conversions and calculations. Converts various measurements including volume, weight, area, density, and financial figures. Presents conversion tables.

  • CalcNexus

    Free online calculators for mobile phones and PDAs including fitness and financial calculators.

  • Calculate Something

    Collection of online calculators ranging from VAT to percentages and journey cost.

  • Calculate What?

    Features a variety of online calculators enabling users to solve countless problems for free.

  • The Calculator Site

    Provides financial calculators, imperial to metric converters, and other calculation tools for general use.

  • Calculator.com

    Online calculator directory offering calculations and conversions for all units of measurement.

  • Convert-me.com

    Online measurement conversion tools. Converts units from or to British Imperial and US derivatives.

  • Digital Dutch Unit Converter

    Simply convert units of length, distance, density, bits, bytes, force, mass, power, pressure, speed, temperature, and volume.

  • Easy Calculation

    Holds free online calculation and conversions.

  • Formula Conversion.com

    Free online conversion calculators for metric units, currency, and GPA. Includes algebraic steps and user favorites.

  • Metric-Conversions.org

    Offers calculators, tables, and formulas for temperature, length, area, volume, and weight metric conversions.

  • NIST Conversion Factors for Energy Equivalents

    Online converter for units of energy.

  • OnlineConversion.com

    Offers thousands of conversions for almost every unit of measurement. Also offers a free conversion software for Windows users.

  • World Wide Metric

    Web-based conversion calculator for length, weight, volume, and pressure measurements.


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