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About Calculated Industries


Founded in 1978, Calculated Industries (CI) is the country's leading manufacturer and marketer of specialty calculators and digital measuring tools. For 30 years, our products have helped more than 8 million busy professionals work better, faster, and more efficiently with easy-to-use, portable solutions.

Calculated Industries Mission:


Design, develop and deliver high-quality, easy-to-use digital calculating products for professionals on the go. Calculated Industries is dedicated to exceeding our customers' expectations in everything they do!

Calculated Industries Vision:


  • To continually create innovative, best-in-class calculating products that empower our customers to succeed in their jobs and hobbies;
  • To always deliver outstanding customer service;
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    Calculated Industries 4065, Advanced Feet-Inch-Fraction Construction-Math Calculator
    Calculated Industries 4065, Advanced Feet-Inch-Fraction Construction-Math Calculator
    List Price: $79.95
    Our Price: $56.90
    You Save $23.05!

    Calculated Industries 4065, Advanced Feet-Inch-Fraction Construction-Math Calculator
  • Work in and convert between building dimensions, including Metric
  • Built-in Right-Angle solutions
  • Areas, Volumes, Square-ups
  • Calulated Industries 44080 Advanced Feet-Inch-Fraction Construction-Math Calculator W/ Full Trigonometric Function
    Calulated Industries 44080 Advanced Feet-Inch-Fraction Construction-Math Calculator W/ Full Trigonometric Function
    List Price: $89.95
    Our Price: $69.50
    You Save $20.45!

    Calulated Industries 44080 Advanced Feet-Inch-Fraction Construction-Math Calculator W/ Full Trigonometric Function
  • Work in and convert between any building dimension, including Metric
  • Trigonometric Function
  • Find Weight per Volume
  • Calulated Industries 4080 Master Pro Trig Advanced Feet-Inch-Fraction Construction-Math Calculator w/ Full Trigonometric Functions
    Calulated Industries 4080 Master Pro Trig Advanced Feet-Inch-Fraction Construction-Math Calculator w/ Full Trigonometric Functions
    List Price: $89.95
    Our Price: $69.50
    You Save $20.45!

    Calculated Industries 4080 Master Pro Trig  Dimensional Math and Conversions
  • Work in and convert between all building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet and Inches and Metric – including Area and Volume
  • D:M:S to Decimal Degree conversions
  • Weight per Volume
  • Full Trigonometric Function: Sine, Cosine, Tangent, Arcsine, Arccosine and Arctangent simplify complex design and construction-math
  • Calulated Industries 4020 Measure Master Pro Feet-Inch-Fraction and Metric Dimensional Calculator
    Calulated Industries 4020 Measure Master Pro Feet-Inch-Fraction and Metric Dimensional Calculator
    List Price: $39.95
    Our Price: $32.90
    You Save $7.05!

    Calulated Industries 4020 Measure Master Pro Dimensional Math and Conversions
  • Work in and convert between Yards, Feet, Inches, Fractions, Decimal Feet - Inches, Meters, Centimeters, Millimeters – including Area and Volume
  • Find Weight per Volume: Tons per Cubic Yard, Pounds per Cubic Yard, Pounds per Cubic Feet, Metric Tons per Cubic Meter, Kilograms per Cubic Meter
  • Calulated Industries 8025 Ultra Measure Master Professional Grade U. S. Standard To Metric Conversion Calculator
    Calulated Industries 8025 Ultra Measure Master Professional Grade U. S. Standard To Metric Conversion Calculator
    List Price: $49.95
    Our Price: $39.95
    You Save $10.00!

    Calulated Industries 8025 Ultra Measure Master Professional Grade U. S. Standard To Metric Conversion Calculator
  • Over 400 Conversion Combinations
  • More than sixty Standard U.S. and Metric Units Built-in!
  • Easily Calculate Linear, Area and Volume Measurementsr
  • Calulated Industries 4225 Advanced Yard, Feet-Inch-Fraction Concrete Construction-Math Calculator
    Calulated Industries 4225 Advanced Yard, Feet-Inch-Fraction Concrete Construction-Math Calculator
    List Price: $79.95
    Our Price: $55.90
    You Save $24.05!

    Calulated Industries 4225 Advanced Yard, Feet-Inch-Fraction Concrete Construction-Math Calculator
  • Work in and convert between building dimensions: Yards, Feet-Inch-Fractions, and Metric – including Square and Cubic formats.
  • Automatic Weight per Volume; select Pounds, Tons, Kilograms or Metric Tons.
  • D.M.S. to Decimal Degree Conversions.
  • Calulated Industries 4325 HeavyCalc Pro Yard, Feet-Inch-Fraction, Metric Heavy Construction-Math Calculator
    Calulated Industries 4325 HeavyCalc Pro Yard, Feet-Inch-Fraction, Metric Heavy Construction-Math Calculator
    List Price: $79.95
    Our Price: $55.90
    You Save $24.05!

    Calulated Industries 4325 HeavyCalc Pro Yard, Feet-Inch-Fraction, Metric Heavy Construction-Math Calculator
  • Work in and Convert Between Any Construction-Math Formats!
  • Calculate and convert in Feet-Inch-Fractions, Decimal Yards, Feet (i.e. 10ths), Inches and Fractions, Meters and Millimeters – including Square and Cubic formats.
  • Automatically Calculate Areas and Volumes!  Easily find Areas and Volumes using dedicated Length, Width and Depth keys.
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