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    Model Number: 4325
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    Calculated Industries HeavyCalc PRO

    Model Number: 4325

    Yard, Feet-Inch-Fraction, Metric Heavy Construction-Math Calculator

    Save time, eliminate costly errors, reduce material and labor expenses on all construction jobs. Built-in functions quickly find solutions for Area, Volume, Weight, Slopes, Swell, and Shrink, Cut/Fill and More! Work in and convert between all building dimensional formats, including Metric.

    The most effective equipment, manpower planning and estimating tool you can own!

    For: Engineers, Designers, Excavators, Highway and Heavy Construction Professionals

    Dimensional Math and Conversions

    • 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.
    Dedicated Functions
    • Square-ups and Right Angles! Percent Grade and Slope keys give you instant Right Angle solutions for Diagonals; easily stakeout Drops, Ramps, Trenches and More!
    • Weight per Volume (Lbs, Tons, Kg)! Convert between weights and find the weight of material (i.e., Tons per Cubic Yard, etc.).
    • Find Percent (%) Swell and Shrink! Quickly determine Bank, Compacted and Loose Soil Volumes for any job.
    • Simplify Cut/Fill Estimates! Built-in Cut/Fill, Existing and Proposed functions make soil-volume estimates easy.
    • “Average” Function! Speeds Grid-Cell - Cut/Fill estimates.
    Timesaving “Utility” Functions
    • “Paperless” Tape! Allows you to review the last 20 entries – great for plan checks and confirming strings of dimensions.
    • Preference Setting for Fractions speed entries,
      Repeat operator (+, -, ÷, x) and Constant functions reduce keystrokes
    • Per Unit key for material costing estimates.
    • Battery-Saving Auto Shut-Off
    • Easy-to-follow User’s Guide
    • Protective Hard Case
    • Full One Year Limited Warranty

    Product Dimensions:
    • Outside Dimensions: 5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm)
    • Product Weight: 1 lbs.
    Calculated Industries HeavyCalc PRO

    5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm)

    3.2 oz. (90.7 gm) – does not include Vinyl Case or User’s Guide

    Single 3-volt (CR-2032) Long Life Battery

    Display Type:
    LCD, 11 Digits (7 Normal, 4 Fractions) with full Annunciators

    LCD Display Dimensions:
    0.73” x 2.56” (19 mm x 65 mm)


    12 Digit Internal Accuracy

    Ask a Question. We would love to help!

    Calculated Industries HeavyCalc PRO