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Screenshots

  • Construction Master Pro screenshot 1
  • Construction Master Pro screenshot 2
  • Construction Master Pro screenshot 3
  • Construction Master Pro screenshot 4
  • Construction Master Pro screenshot 5
  • Construction Master Pro screenshot 6
  • Construction Master Pro screenshot 7
  • Construction Master Pro screenshot 8

About Construction Master Pro

Two in one: the official Construction Master® Pro from Calculated Industries for your Android device includes two models: #4065 and #4080 (CM Pro Trig).

NOTE: the Android version of this app is compatible with Android devices only, you may install on as many as you own.

Advanced Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries for Carpenters, Builders & More, 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. Two apps in one, since the Construction Master Pro for Android 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 calculate a construction problem when meeting with a client? Left your calculator in the truck? Just pull out your Android device, tap on the Construction Master Pro icon!

• 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.
• Calculate 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.

FEATURES:
• 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 Android device 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 keys
• 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
• View and save function inputs and outputs, and share with team members

BUILT-IN SOLUTIONS:
Dimensional Math and Conversions
• Feet-Inch-Fraction, Inch Fraction, Yards
• Decimal Feet (10ths, 100ths), Decimal Inches
• Preset Fraction Conversions (1/2" through 1/64")
• D:M:S, Decimal Degree Entry and Conversions
• Full Metric Conversion Function (m, cm, mm)

Right Angle Solutions
• Complete Right Angle/Rafter Calculations
• Pitch Key (Slope and Grade)
• Calculate Rise, Run, Diagonal/Common Rafters
• Hip/Valley Key
• Jack Rafters Key
• Irregular Hip/Valley and Jacks
• Calculate Rafter Cutting Angles (Plumb, Cheek and Level Cuts)
• Stair Layout Key
• Stair (Advanced Stair Calculations – Stair 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
• Calculate 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

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

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

What’s new

Version 10.20.18 · Updated August 17, 2026

Maintenance and compliance updates.

User reviews

Jeremy Sickx
Jeremy Sickx
Excellent
Marco Hernandez
Marco Hernandez
Better than the calculator itself. I have the old calculator since 2001. Now with app. Finally Place the calculator to rest
Rod Butler
Rod Butler
Great
Tarrida Construction
Tarrida Construction
I am a general contractor and have had the actual calculator with the rubber case for years. Once I downloaded this app I never use the the other one anymore. The display in my phone is larger and brighter. Love it
ebelangel sanchez
ebelangel sanchez
Just like the store, also like the memory frature N notes section
Brian 1831
Brian 1831
Handy and fast

Frequently asked questions

What models are included in the Construction Master Pro app for Android?
The Construction Master Pro app for Android includes two models: #4065 and #4080 (CM Pro Trig).
Who is the Construction Master Pro app designed for?
The Construction Master Pro app is designed for Architects, Builders, Contractors, Designers, Draftspersons, Engineers, Framers/Carpenters, and Tradesmen.
What features does the Construction Master Pro app have?
The Construction Master Pro app includes all the functionality of the handheld Construction Master Pro and Construction Master Pro Trig calculators. It allows for the calculation of tough construction-math problems and reduces errors on the jobsite or in the office.
Can the Construction Master Pro app help with estimating, bidding, and building projects?
Yes, the Construction Master Pro app can help with every phase of projects, including estimating, bidding, and building. It reduces costly errors and saves time and money.
What dimensional formats can the Construction Master Pro app work in and convert between?
The Construction Master Pro app can work in and convert between all building dimensional formats, including feet-inch-fractions, inch fraction, yards, decimal feet (10ths, 100ths), decimal inches, and metric (m, cm, mm).
Are there built-in solutions in the Construction Master Pro app?
Yes, the Construction Master Pro app has built-in solutions for dimensional math and conversions, right angle calculations, area and volume calculations, and special functions like trigonometry and board feet calculations.
Can I view and save function inputs and outputs in the Construction Master Pro app?
Yes, you can view and save function inputs and outputs in the Construction Master Pro app, and you can also share them with team members.
Are there any user guides available for the Construction Master Pro app?
Yes, a complete User's Guide in English or Spanish is available for free at www.calculated.com.
What trademarks are associated with the Construction Master Pro app?
Construction Master® is a registered trademark of Calculated Industries, Inc.

Alternatives to Construction Master Pro

Looking for apps like Construction Master Pro? Here are 6 similar Android apps on Google Play. The highest rated is Probuild (App for Contractors) (4.5/5), and all 6 are free to download.

Construction Master Pro vs. alternatives
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Construction Master Pro 4.7 / 5 Free 100,000+ Aug 17, 2026
Raken Construction Management 4.1 / 5 Free 100,000+ – Compare
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Probuild (App for Contractors) 4.5 / 5 Free 100,000+ Oct 20, 2026 Compare
RedX Roof - Rafters, Trusses 4.3 / 5 Free 100,000+ Jul 28, 2026 Compare
HOVER - Measurements in 3D 3.6 / 5 Free 1,000,000+ Sep 18, 2026 Compare
FrameDesign 4.4 / 5 Free 500,000+ Aug 24, 2026 Compare

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