Calculated Industries

Cacluated Industries HeavyCalc Pro Calculator 4325

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  • Front face of Calculated Industries HeavyCalc Pro
  • Construction-math calculator designed for excavators and heavy construction
  • Rugged shock-proof Armadillo Gear included
  • Reference guide that stores in back of calculator and online videos make using easy
  • Dedicated function keys help you quickly find solution for all of your heavy construction-math problems
  • The calculator designed for heavy construction pros
  • Built-in functions from figuring slopes to swell made easy with dedicated keys
  • Everything you need to get started including rugged Armadillo Gear case, English/Spanish Reference Guide, and long-life battery
For availability and pricing, call us at (267) 580-2600


Heavy Construction-Math Calculator

This is the only construction-math calculator specifically designed for excavators and heavy construction professionals. Built-in functions help you quickly find solutions for area, volume, weight, slopes, swell and shrink, cut/fill and more. With the HeavyCalc Pro you'll save time, eliminate costly errors and reduce material and labor expenses.

  • Work in and convert between Yard, Feet-Inch-Fraction and Metric formats
  • Automatically calculate Areas and Volumes
  • Square-ups and Right Angles; Percent Grade and Slope; stakeout Drops, Ramps, Trenches, much more
  • Weight per Volume (Lbs, Tons, Kg)
  • Find percent (%) Swell and Shrink
  • Simplify Cut/Fill Estimates

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

Dimensional Math and Conversions:

  • Calculate and convert in feet-inch-fractions, decimal yards, decimal feet-inches and fractions, meters and millimeters - including square and cubic formats
  • Easily find areas and volumes using dedicated length, width and depth keys

Dedicated Functions:

  • Percent grade and slope keys give you instant right angle solutions for diagonals and square-ups
  • Easily stakeout drops, ramps, trenches and more
  • Weight per volume function helps you find the weight of material and convert between tons, pounds, kilograms and metric tons
  • Easily find trucked (loose fill) volume, then use swell and shrink factors to determine total weight
  • Built-in cut/fill, existing and proposed functions make soil-volume estimates easy


  • Easy-to-follow User's Guides in English and Spanish
  • Rugged Armadillo Gear protective case
  • One-year Warranty

Support Materials:

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Warranty Information

Includes one-year warranty from Calculated Industries
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Additional Information

5.7" x 3.0" x 0.65" (145 mm x 76 mm x 17 mm)
3.2 oz. (90.7 gm) - does not include Armadillo Gear Case or User's Guide
One 3-volt CR2016 long life battery
Display Type:
LCD, 11 Digits (7 Normal, 4 Fractions)
LCD Display Dimensions:
0.73" x 2.56" (19 mm x 65 mm)
12 digit internal accuracy
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