Calculated Industries

Calculated Industries ConcreteCalc Pro Calculator 4225

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  • Front face of Calculated Industries ConcreteCalc Pro
  • Learn to use with full reference guide in both English and Spanish and with online videos
  • Comes with rugged Armadillo Gear to protect in the field and your toolbox
  • Calculate your requirements so you have what you need to finish the job
  • Comes with a rugged Armadillo Gear case, long-life, quick reference printed inside the cover and pocket reference guides
  • Solves the math before you set in concrete
  • Estimate concrete, determine layout and calculate orders for a perfect finish
For availability and pricing, call us at (267) 580-2600


Advanced Yard, Feet-Inch-Fraction Concrete Construction-Math Calculator

The easy-to-use ConcreteCalc Pro helps reduce material waste, improve design accuracy and cut estimating time. Increase efficiency in the field or in the office with fast, accurate solutions for Square-ups, Loads, Area, Volume, Rebar, Drop, Stairs and much more.

  • Work in yards, feet-inch-fractions
  • Calculate area, volume and weight per volume
  • Automatic square-ups and drops
  • Rebar solutions for total linear feet and weight per size
  • Complete stair layouts; set riser height and tread width
  • Equal sided polygons
  • Circular solutions for circumference, arc, cone and column

For Concrete, Masonry and Paving Professionals

Dimensional Math and Conversions: 

  • 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

Dedicated Functions: 

  • Length, width, height keys for fast area and volume solutions
  • Instant square-up and drop for perfect layouts
  • Complete stair calculations: risers, treads, stringers and incline angle. solve "not-to-exceed" riser height
  • Rebar: find total linear feet and calculate weight for rebar sizes; store various rebar size, on-center spacing
  • Calculate the number of truck loads based on load size
  • Bags: easily determine the number of bags of concrete for small jobs
  • Circular solutions for area, arc, circumference, column and cones
  • Block and Footing keys for material estimates
  • Polygon: calculate full angles and bi-sect angles

Added Features:

  • User Preferences: set custom options; Fractions, Volumes, Stairwell Opening
  • Cost per Unit: quickly solve unit cost and total pricing
  • Backspace Key: easily correct entry errors
  • "Paperless" Tape: enables review of last 20 entries; double-check totals
  • Works as standard math calculator with %, +, -, ×, ÷, +/-, π, 1/x, x2, and √


  • Rugged Armadillo Gear case
  • Handy Pocket Reference Guides in English/Spanish
  • One 3-volt CR2016 long-life battery
  • One-year warranty

Support Materials:

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Additional Information

5.7 x 3.0 x 0.65" (145 mm x 76 mm x 17 mm)
4.15 oz (118 grams), includes case and Pocket Reference Guide
One 3-volt CR2016 long-life battery
Display Type:
LCD: 11 digits (7 normal, 4 fractions)
Display Dimensions:
0.73 x 2.56" (19 x 65 mm)
12 digit internal accuracy
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