Construction Master Pro Calc

Calculated Industries

4.67

9,403 reviews

100,000+
Downloads

Free

Construction calculator for framing, roofing, concrete, slope and stair layouts.

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Pros & Cons

All-in-one construction calculator covering framing, roofing, concrete, lumber, and stairs
US & Metric unit support with built-in conversions
Right-angle and trig functions for precise layouts
Notes, folders, and easy sharing of calculations with your crew

No dedicated CAD-style drawings or full project management features listed in the data
Pricing details beyond 'Free' with a 14-day trial are not shown in the data

About Construction Master Pro Calc

Construction Master Pro Calc is a tools app developed by Calculated Industries.

How many times has Construction Master Pro Calc been downloaded?

Construction Master Pro Calc has been downloaded 450 thousand times. In the last 30 days, the app was downloaded 7 thousand times. It is ranked in the top 100 tools apps.

What is the rating of Construction Master Pro Calc?

Construction Master Pro Calc is rated 4.67 out of 5 stars, based on 9.4 thousand ratings.

Is Construction Master Pro Calc free?

Construction Master Pro Calc is free to download. The last update was on August 20, 2024.

What are the requirements for Construction Master Pro Calc?

Construction Master Pro Calc requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play December 2010.

Description

FREE 14-day trial. The go-to construction calculator for framers, contractors, and builders. Feet-inch-fraction math, roofing, framing, stair layouts, and material estimates in one app.

The professional construction calculator built for the field. Includes Construction Master Pro and Construction Master Pro Trig in one app, with the CMPro Training Guide built in.

The proven framing, roofing, and stair calculator trusted by contractors and builders. Built with the same core engine that powers the industry-standard advanced construction math calculators from Calculated Industries. Award-winning tools trusted by the industry for 40 years.

BUILT FOR THE JOBSITE
• Framing and carpentry made faster: rafter cuts, stair layouts, lumber quantities, and framing calculations on the job.
• Roofing contractors: roofing calculations for bundles, squares, pitch, and slope in seconds.
• Builders and general contractors: construction estimates, material takeoffs, and building layouts done right.
• Concrete and masonry: footing volume, block counts, and unit conversions calculated instantly.

WHY PROFESSIONALS CHOOSE CONSTRUCTION MASTER® PRO
• Powerful built-in calculations make this construction calculator ideal for completing layouts, plans, bids, and estimates.
• Work in and convert between all common building dimensional formats, US & Metric.
• Built-in right-angle functions simplify square-ups, rafters, slopes, and more.
• Handles framing, roofing, concrete, lumber, and stair calculations in one app.
• Full trigonometric functions for advanced construction math.

BUILT-IN SOLUTIONS
• Dimensional Math and Conversions
• Feet-Inch-Fraction, Inch Fraction, Yards
• Decimal Feet and Inches (10ths, 100ths)
• 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 Rafter Keys
• Regular and Irregular Hip/Valley & Jack Rafter Keys
• Rafter Cutting Angles (Plumb, Cheek, and Level Cuts)
• Stair Layouts (including – Riser Limit, Stairwell Opening, Headroom, Floor Thickness)
• Rake-Wall (including Arched)

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 & 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
• Advanced Paperless Tape for all functions
• 4 Memories

APP-ENHANCED FEATURES
• Fast Fractions Mode: dedicated fraction keys for faster, more precise construction calculations.
• Construction notes made easy: create text or voice-to-text notes, set up folders by project or client, add attachments, and share with your crew.
• Searchable Help and how-to videos for every construction calculation.
• Context-sensitive Help: press and hold any function key for Help text, diagrams, and videos.
• Save and share construction calculations and outputs (e.g., cut lists) with others on your crew.

SUBSCRIPTION INFORMATION
Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Play Store > Account > Payment & subscriptions > Subscriptions.

TRADEMARKS
Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc.

Copyright 2026

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More data about Construction Master Pro Calc

Price	Free to download
Total downloads	450 thousand
Recent downloads	7 thousand
Rating	4.67 based on 9.4 thousand ratings
Ranking	Highly ranked
Version	N/A
APK size	N/A
Number of libraries	4
Designed for Android	4.4+
Suitable for	Everyone
Ads	NO ads

App Performance Report

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Construction Master Pro Calc compared with similar apps

Common keywords of similar apps

Built Layouts Master Keys Feet Fraction Math Advanced Calculated Conversions Angle Functions Slope Builders Inch Estimates Industries Pitch Unit Solutions Function Area Text Trusted Industry Made Faster Cuts Lumber Bundles Squares Common Dimensional Metric Construction Calculations Framing Stair Calculator Contractors Roofing Rafter Pro App Volume Building Rafters Material Concrete Square

Keywords missing from this app

Roof Stairs Calculate Civil Projects Design Calculation Tools Accurate Professional Project Cost Beam Hip Site Time Fast Tool Simple Roofs Build Drawings Calculators Quantity Deck Slab Support Materials Features Plans Save Estimate Wall Precise

Google Play Rating history and histogram

Rating history

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Downloads over time

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Construction Master Pro Calc has been downloaded 450 thousand times. Over the past 30 days, it averaged 230 downloads per day.

Changelog of Construction Master Pro Calc

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Developer information for Calculated Industries

Calculated Industries

techsup@calculated.com

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Comments on Construction Master Pro Calc for Android

★★★★★ Jedi Sentinel (Jedi Nelson) · Sep 27, 2025

Worth buying if you're in the trades, I have both the physical calculator and the app. I'm in maintenance now (was in construction when I bought this) and still use it regularly to do math in feet/inches and convert from metric to imperial quickly and easily. Works very well as it is! I wouldn't recommend this to the average joe however, as it doesn't provide much bonus function beyond converting from metric to imperial in measurements of length and weight. (for the average joe.)

★★★★★ George Dilks · Apr 3, 2026

Been using their calculators for 30 years. Love my Construction Master

★★★★★ Tele Bruce · Jan 13, 2026

Every tradesman should know this app inside and out. It's a real lifesaver. I have used handheld calculator for more than 20 years. I wouldn't be without it. And the app has more features.

★☆☆☆☆ Buddy R · Oct 30, 2025

I purchased this app years ago when I used an iPhone and loved the app. However, when you switch platforms, they don't allow you to move the app with it. One star is not for the app itself but for the current subscription requirements. I'm not a fan of billing someone over and over for a calculator that you should be able to purchase once, especially when I purchased it previously. The amount that will be charged for using year after year far exceeds the value of the product.

★★☆☆☆ Z C · May 18, 2026

This was once a good option, but it's no longer available for a one-time payment. Now they make you pay a subscription fee which to me is not worth it when I can just Buy the fiscal calculator

Google Play Rankings for Construction Master Pro Calc

Top rankings

Rank	Country	Category	List
38	Canada	Tools	Top Grossing
60	United States	Tools	Top Grossing
194	South Korea	Tools	Top Grossing

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Ranking history in Canada

Ranking history

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Technologies used by Construction Master Pro Calc

4 libraries

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Construction Master Pro Calc

Construction calculator for framing, roofing, concrete, slope and stair layouts.

Pros & Cons

About Construction Master Pro Calc

How many times has Construction Master Pro Calc been downloaded?

What is the rating of Construction Master Pro Calc?

Is Construction Master Pro Calc free?

What are the requirements for Construction Master Pro Calc?

More data about Construction Master Pro Calc

Alternative downloads for the Construction Master Pro Calc app

Construction Master Pro Calc compared with similar apps

Common keywords of similar apps

Keywords missing from this app

More from Calculated Industries

Google Play Rating history and histogram

Downloads over time

Changelog of Construction Master Pro Calc

Developer information for Calculated Industries

Share Construction Master Pro Calc

Comments on Construction Master Pro Calc for Android

Google Play Rankings for Construction Master Pro Calc

Top rankings

Ranking history in Canada

Technologies used by Construction Master Pro Calc