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Calculated Industries 44080 Construction Master Pro Construction Calculator

4.5 out of 5 stars 96 customer reviews
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List Price: $89.95
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  • Work in and convert between any building-math dimension; Built-in Right-Angle function
  • Complete trigonometric function & D:M:S conversions
  • Roof, Rafter and Framing Solutions; Complete Stair Layouts
  • Calculates Weight per Volume, Footing Volume, Blocks, Roof Area
  • Circular Calculations: Circumference, Arcs, Segments and More
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Frequently bought together

  • Calculated Industries 44080 Construction Master Pro Construction Calculator
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From the manufacturer

calculator desktop trig construction math master pro contractors roof jack tools materials building Calculator Math Trig construction Trigonometry Trigonometric master pro contractors roof jack tools Calculator estimating construction math master pro contractors roof jack tools materials building Calculator building Estimator construction Estimate measure Metric SAE contractors carpenters math
Construction Master Pro-Desktop 44080 Construction Master Pro Trig Model 4080 Construction Master Pro Model 4065 Measure Master Pro Model 4020
Full Metrics (m, cm, mm)
Decimal Feet (10ths, 100ths)
Feet-Inch-Fraction, Fractional Inch, Yards
Complete Right Angle/Rafter Calculations
Pitch Key (Slope and Grade)
Trigonometric Function Keys
Number of Memories 4 4 4 4

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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (96) 4 out of 5 stars (126) 5 out of 5 stars (39) 5 out of 5 stars (2) 5 out of 5 stars (10) 4 out of 5 stars (47)
Price $58.99 $34.95 $30.49 $108.41 $81.57 $43.64
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Worldwide Trade and Sales NEBULA STORE Amazon.com
Item Dimensions 9 x 7 x 2 in 5.75 x 3 x 0.6 in 5.5 x 3 x 0.5 in 11 x 8.5 x 2 in 9 x 7 x 1.3 in 9 x 6.5 x 1.5 in
Item Weight 1.25 lbs 7.2 ounces 4.16 ounces 1.54 lbs 0.85 lb

Product description

Product description

Builders, contractors, carpenters and construction professionals use this advanced, easy-to-use Feet-Inch-Fraction, Metric and Full Trigonometric calculator to provide rapid solutions to complex construction-math problems. Work in and convert between all building dimensional formats, including square and cubic! Built-in functions include Custom and Jack Rafter keys with instant cutting angles, Rake-Wall key, complete Circular solutions, full Stair calculations, D:M:S to Decimal Degree conversions, automatic Block and Footing, three Memories, and a Preference Function for user-defined options.


The most complete construction-math calculator on the market, the Construction Master Pro desktop calculator (model 44080) from Calculated Industries is perfect for completing layouts, bids, and estimates as well as helping to save time and money by helping you figure out the right amount of needed materials. It's ideal for or contractors, architects, builders, engineers, project managers, estimators, draftspersons, and more.

calculated 8305
Perfect for completed plans, layouts, bids, and estimates (view larger).

You'll be able to work in and convert between all building dimensional formats--yards, feet-inch-fractions and metric--including area and volume, and it also comes with a full trigonometric functionality (sine, cosine, tangent, arcsine, arccosine and arctangent simplify complex design and construction-math).

The Construction Master Pro includes a number of built-in time-saving functions, including calculations for risers, treads, stringer length, and incline angle; how many 4x8, 4x9 or 4x12 sheets are needed to cover an area; jack rafter results for regular and irregular pitch roof; determining number of on-center studs for an entered length; and right angles. It also offers advanced solutions for circles, arches, columns, cones, pillars, windows and post-holes arcs, circumference, and segments.

Additional features include a large multi-position tilt display LCD, ability to custom define your preferences (such as fractional settings), a "paperless" tape that lets you review the previous 20 entries to double-check your totals, and accumulating memory with three additional memory storage locations. It's powered by a single 3-volt CR2032 lithium battery, and the Construction Master Pro has an auto shut-off feature that turns the calculator off after about 8 to 12 minutes of non-use. It measures 6.4 x 9 x 1.4 inches, weighs 10.8 ounces, and is backed by a one-year limited warranty.

What's in the Box

Calculated Industries 44080 Construction Master Pro desktop calculator; user guide; pocket reference guide, and battery.

At a Glance
44080 Construction Master Pro Desktop Calculator
At a Glance:
  • Work in and convert between all building dimensional formats

  • Full trigonometric function to simplify construction math

  • Desktop version with tilting display

  • Powered by one CR2032 lithium battery

  • Auto shut-off

  • One-year limited warranty
At a Glance

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