Construction Master Pro Calc12.11.22 - App Store

FREE Try Before You Buy 14 Day Trial; your App Store account is not charged by Apple during the free trial. Rated 4.8 stars with over 1.12M downloads. The trusted construction calculator used by professionals across the US and the world.

The go-to feet-inch-fraction calculator for framers, contractors, and builders. Includes Construction Master Pro and Construction Master Pro Trig in one app, with the CMPro Training Guide built in.

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
. Framers and carpenters: rafter cuts, stair layouts, lumber quantities, and framing calculations on the job
. Builders and general contractors: estimates, material takeoffs, and building layouts
. Concrete and masonry: footing volume, block counts, and unit conversions
. Roofing contractors: bundles, squares, pitch, and slope in seconds

WHY PROFESSIONALS CHOOSE CONSTRUCTION MASTER(R) PRO
. Powerful built-in calculations make CMPro 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

APP-ENHANCED FEATURES
. Ask CMPro - exact steps for any calculation. AI built on CMPro’s 40 years of proven math
. CMPro Toolbelt -- quick access to every tool, customizable for your workflow
. Fast Fractions Mode -- dedicated fraction keys for faster, more precise entry
. Materials Mode -- streamlined estimating for drywall, roofing, lumber, and more
. Project Notes -- create text or voice-to-text notes, set up folders by project or client, add attachments, and share with your crew
. EZ Calcs - 100+ forms-based calculators with illustrations for framing, concrete, roofing quantities, and much more.
. Searchable Help and how-to videos
. Context-sensitive Help -- press and hold any function key for Help text, diagrams, and videos
. Save and share calculations and outputs (e.g., cut lists) with others on your crew
. Bosch GLM integration -- send measured values into live calculations or Notes

SUBSCRIPTION INFORMATION
Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Apple account Settings > Account (Apple ID) > Subscriptions.

TRADEMARKS
Construction Master(R) and Calculated Industries(R) are registered trademarks of Calculated Industries, Inc.

Copyright 2026

Version History Maintenance and Pro Tips RIP, reminder all former Pro Tip content is incorporated into Help and Ask CMPro. 12.11.22 Sep 2 Maintenance and crash fixes. 12.11.18 Aug 9 Compliance and maintenance updates. 12.11.17 Aug 4 New AI AskCMPro can show you (or tell you) how to do any calculation built into CMPro, step by step. Trusted construction math, now with answers on demand. 12.11.16 Jul 29 Thank you for checking out Ask CMPro! This update has some small changes based on your feedback - thank you!

** Announcing ** the end of Pro Tips pop-up's - all past and new Pro Tip content are incorporated directly into Help - no more "in your face" pop-ups :-) 12.11.12 Jun 25 Thank you for checking out Ask CMPro! This update has some small changes based on your feedback - thank you!

** Announcing ** the end of Pro Tips pop-up's - all past and new Pro Tip content are incorporated directly into Help - no more "in your face" pop-ups :-) 12.11.11 Jun 16 Maintenance update. 12.11.10 Jun 4 NEW! Ask CMPro – exact steps for any calculation. AI built on CMPro’s proven math. 12.11.7 May 15 More EZ Calcs! Area and volume for basic, complex and triangular shapes - 25 of them to check out! 12.11.6 May 7 - Say Hello to your new Message Center! See a red dot on the mail icon? Tab at your convenience to view.
- EZ Calcs Map Measure is back! 12.10.33 Apr 16 Top navigation bar cleaned up, Help and EZ Calcs menu cleaned up. 12.10.31 Mar 4 CMPro Toolbelt! In addition to full-screen for those who want it, for those who like the bottom navigation bar now known as the CMPro Toolbelt, the visible tab order in the Toolbelt can be all under your control! Tap All Tools and enjoy. 12.10.24 Jan 22 Scheduled maintenance updates. 12.10.17 Jan 6 New Materials Mode has all the functions you need for focusing on material estimates and takeoffs.
Preferences screen updated with better organization and easy navigation. 12.10.16 11/14/2025 Fix to start-up part two. 12.10.11 10/21/2025 Launch crash fix. 12.10.9 10/09/2025 Maintenance updates 12.10.7 09/26/2025 Updates to the Menu and Preferences lists. Thank you! 12.10.5 09/22/2025 NEW Expanded display! Support numbers up to 19.9B (1000x the current display). Includes a thousands comma display setting, find the setting in preferences.
NEW Unitless Decimal Display setting, find the setting in preferences. 12.10.3 09/03/2025 Bug fixes (Notes and Saved Tape - Renaming) and housekeeping 12.9.9 07/24/2025 Small update with alternative onboarding flows 12.8.8 06/09/2025 Bug fixes. 12.8.3 03/13/2025 Fast Fractions! Tap the gear icon in top right, enable Fast Fractions Mode by sliding to green. Enjoy the speed.
Construction Master Pro Guide is included in your app! Tap Help from the bottom toolbar to access the CM Pro Guide's step-by-step examples and solutions to common and advanced construction math problems. 12.8.1 02/26/2025 Fast Fractions! Tap the gear icon in top right, enable Fast Fractions Mode by sliding to green. Enjoy the speed.
Construction Master Pro Guide is included in your app! Tap Help from the bottom toolbar to access the CM Pro Guide's step-by-step examples and solutions to common and advanced construction math problems. 12.7.5 02/05/2025 Now connects via Bluetooth® to Bosch Professional GLMs so you can send measured values directly into live calculations or Notes.
Compatible models: Bosch GLM 50-27 C, GLM 50-27 CG, GLM 50-27 CG AP, GLM 50-27 CG JP, Blaze 165-27 C, Blaze 165-27 CG, GLM 150-27 C, GLM 100-25 C, GLM 120 C, GLM120CJP, GLM 150 C, GLM 400 C, GLM 400 CL 12.6.5 10/12/2024