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Construction Master Pro

Construction Master Pro
  • #: 227022
  • Price: $19.99 In Apple Store
  • Category: Utilities
  • Updated: 2016-03-23
  • Current Version: 1.4.4
  • 1.4.4
  • Size: 3.10 MB
  • Language: English
  • Seller: Calculated Industries, Inc.
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2010 Calculated Industries, Inc.
  •  Add to Favorite apps



Two in one: the official Construction Master® Pro from Calculated Industries for your iPhone and iPad includes two models: #4065 and #4080 (CM Pro with Trig). And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

Advanced Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries, built with the same features and functions, and with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. You’ll actually get two apps in one, since the Construction Master Pro for iPhone has all the functionality of the Construction Master Pro and the Construction Master Pro Trig -– and includes a full User’s Guide built in, as well as the ability to press and hold a key for specific help!

Ideal for Architects, Builders, Contractors, Designers, Draftspersons, Engineers, Framers/Carpenters and Tradesmen

Need to quickly and accurately solve a construction problem when meeting with a client? Left your calculator in the truck? Just pull out your iPhone or iPad, tap on the Construction Master Pro icon, and you’ll have an answer in seconds!

• You get ALL of the functionality of the handheld Construction Master Pro and Construction Master Pro Trig calculators in one powerful, easy-to-use app.

• Solve tough construction-math problems and reduce errors on the jobsite or in the office.

• Reduce costly errors and save time and money. It will help you and your crew on every phase of your projects—estimating, bidding and building.


• Created by Calculated Industries, the originator of the award-winning Construction Master calculators

• All the functionality and solutions of the handheld Construction Master calculators and optimized for the iPhone/iPod Touch user

• Entry Editing Backspace Key – with a swipe of a finger (left - to - right)

• A complete User’s Guide in English or Spanish is available free at www.calculated.com

• Full trigonometric function: sine, cosine, tangent, arcsine, arccosine and arctangent

• Powerful built-in solutions make it ideal for completing layouts, plans, bids and estimates

• Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm)

• Built-in right angle functions simplify square-ups, rafters, slopes and more


Dimensional Math and Conversions

• Feet-Inch-Fraction, Inch Fraction, Yards

• Decimal Feet (10ths, 100ths), Decimal Inches

• Preset Fractions (1/2" through 1/64")

• D:M:S, Decimal Degree Entry and Conversions

• Full Metric Function (m, cm, mm)

Right Angle Solutions

• Complete Right Angle/Rafter Calculations

• Pitch Key (Slope and Grade)

• Rise, Run, Diagonal/Common Rafters

• Hip/Valley Key

• Jack Rafters Key

• Irregular Hip/Valley and Jacks

• Rafter Cutting Angles (Plumb, Cheek and Level Cuts)

• Stair Layout Key

• Stair (Advanced – Riser Limit, Stairwell Opening, Headroom, Floor Thickness)

• Diagonal Key

• Expanded Rake-Wall

• Arched Rake-Wall

Area and Volume Solutions

• Square and Cubic

• Roof – Bundles, Squares, 4x8 Sheets, Pitch, Plan Area

• Drywall, Siding and Paneling 4x8, 4x9 and 4x12

• Column/Cone Area and Volume

• Basic Circular Calculations

• Advanced Circular Calculations

• Weight per Volume Conversions

• Length, Width and Height Keys

• Blocks, Footings

Special Functions

• Trigonometric Function Keys: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent

• Board Feet

• Studs: Find number On-center

• User-Definable Preferences

• Cost per Unit (total costs based on unit price)

• Equal-Sided Polygon

• Compound Miters

• Crown Angle

• Paperless Tape

• 4 Memories


Construction Master® is a registered trademark of Calculated Industries, Inc.

What's New in Version 1.4.4

Revised app context handling during version update. Thank you for being patient.

View iPhone screenshots | View iPad screenshots

iPhone Screenshots

Construction Master Pro iPhone Screenshot 1
Construction Master Pro iPhone Screenshot 2
Construction Master Pro iPhone Screenshot 3
Construction Master Pro iPhone Screenshot 4
Construction Master Pro iPhone Screenshot 5

iPad Screenshots

Construction Master Pro iPad Screenshot 1

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Rated 4/5 based on 3 customer reviews.


5/5 stars

The best General Contractors app out there

For those that give this app a bad review obviously doesn't know how to use an advanced construction calculator such as this one. Has everything you need, from figuring stairs, rafters, concrete yards; EVERYTHING pertaining to building. I've used there stand alone calculators for years, now it's right on my phone.

5/5 stars

Best Construction Cal in the app store!!!!!

This iPhone version is better than the hard copy! If you want a construction calculator at your fingertips this is the one..... I tried them all in the app store thanks calculated industries! For you guys that are complaining about the price, why don't you go buy one at home depot for 50+ dollars and stop giving bad ratings.....

3/5 stars

Be careful, wrong amounts.

If you are a professional be careful, it will not give you the proper amount of concrete bags. I don't think that this thing realizes that there is .0222 yards in 1 80 lb. bag. Example: 5x5 at 4" deep is 13.9 bags, this calculator insists that it is 12.5 bags. I am glad I am not using this in the field. I would be really screwed and you don't want to be short. All of the Construction Master series has the same problem. I have them all and they are all wrong.


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