Calculated Industries 4065 Construction Master® Pro Calculator — Underwood Distributing Co. Skip to content
Need a quote? Need to submit a PO? Email us at hello@underwooddist.com
Need a quote? Need to submit a PO? Email us at hello@underwooddist.com

4065 Construction Master® Pro

SKU Calc_4065
Original price $74.95
Original price $74.95 - Original price $74.95
Original price $74.95
Current price $69.95
$69.95 - $69.95
Current price $69.95

Quantity discounts available! Email hello@underwooddist.com.

Calculated Industries 4065 Construction Master® Pro

Sets the industry standard for advanced construction-math calculators.

It provides powerful built-in solutions and expanded preference settings. It’s easy to use in the field or office and perfect for completing plans, layouts, bids and estimates – saves time, money, materials, and frustration.

Work smarter, build better, and improve your bottom line with the Construction Master Pro!

Calculations

  • Work in and convert between building dimensions, including Metric
  • Built-in Right-Angle solutions
  • Areas, Volumes, Square-ups, Complete Stair Layouts, Roof, Rafter and Framing solutions
  • Circle: Arcs, Circumference, Segments
  • New Features, Functions, and Enhanced Solutions: Drywall – Siding and Panels
  • Stairs – Riser Height and solve for Stairwell Opening
  • Studs On-center, Compound Miter Cuts, Arched Rake-Walls
  • For Contractors, Estimators, Architects, Carpenters, Framers, Draftspersons, Engineers, Builders, Tradespersons

Dimensional Math and Conversions:

  • Work in and convert between building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet-Inches, and Metric – including Area and Volume
  • D:M:S to Decimal Degree conversions
  • Find Weight per Volume
  • Built-in Time Saving Functions
  • Complete Stair calculations for Risers, Treads, Stringer Length and Incline Angle, Set, Riser Height and solve for Stairwell Opening
  • Built-in Right-Angle Functions for Square-ups, Slopes, and more
  • Area, Volume, and Perimeter solutions with Length, Width, and Height Keys
  • Drywall, Siding, and Paneling Key calculates 4x8, 4x9, or 4x12 Sheets to cover an Area
  • Roof Function finds Area, Bundles, Squares, and 4x8 Sheathing for Flat or Pitched Roofs
  • Custom Rafter Function provides Common Rafters, Regular and Irregular Hips, Valleys and Jacks; instant Cutting Angles (Cheek, Level, and Plumb)
  • Jack Rafter results for Regular and Irregular Pitch Roof
  • Find Rake-Wall Studs with On-center spacing
  • Compound Miter – Store Crown Angle and Enter Wall Corner Angle to calculate the Blade Tilt and Angle for Miters cuts
  • Advanced solutions for Circles, Arches, Columns, Cones, Pillars, Windows, and Post-holes
  • Arched Rake-Walls with On-center Spacing Studs – Calculate the number of On-center Studs for an entered Length
  • Equal Sided Polygon – Calculate Corner and Bi-sect Angles, Side Length, Perimeter, and Area
  • Block and Footing solutions
  • Board Feet Lumber estimating

Additional Features

  • User Preferences: Set custom defined options such as Fractional settings for 1/2” to 1/64” and Stair Headroom Height, Decimal Degrees, and more
  • Exponential Notation: Enter and display exponential values
  • Backspace Key: Makes it easy to change just-entered values
  • Constant Operator: Simplifies repetitive calculations
  • Cost per Unit: Easily solve unit costing and pricing
  • Accumulating Memory (M+) – Plus three additional Memory Storage locations
  • Paperless Tape: Review of last 20 entries; double-check totals
  • Standard Calculations: works as a regular math calculator with +, -, +/-, x, ÷, %, π, 1/x, X2, and √
  • Automatic Shut-Off saves battery life
  • Includes Protective Hard Slide Cover, Easy-to-follow User's Guide, Handy Pocket Reference Guide in English and Spanish
  • Long-Life Batteries
  • Full One-Year Limited Warranty
  • English and Spanish CD-ROM with “How To” Video and User’s Guide

Tech Specs

  • Size: 5.6” x 3.0” x 0.6” (142.8mm x 76.2mm x 15.9mm)
  • Product Weight: 4.5 oz. (127.5 gm)
  • Includes Case and Pocket Reference Guide
  • Power: Two 1.5-volt (LR-44/A76) Long-life Batteries
  • Display Type: 11 Digits (7 normal, 4 Fractions) with Full Annunciators
  • Display Dimensions: 0.625” x 2.5” (15.88 mm x 63.5 mm)
  • Accuracy: 10 Digit Internal Accuracy
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