--- title: "Construction Master Pro Calc - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 profe" --- # Construction Master Pro Calc — United States > Feet Inch Fraction Calculator ![Construction Master Pro Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/23/8c/85/238c85cc-c9a7-0d9c-45c4-2c963a81bbbb/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png) **Developer:** [Calculated Industries](https://apptail.io/developer/calculated-industries-Uk) (United States) **Category:** Utilities **Rating:** 4.8/5 (39,978 ratings) **Price:** Free **Bundle ID:** com.calculated.laurene **Store:** Apple App Store **Country:** United States **Version:** 12.11.22 (released 2026-09-02) **Original Release:** 2010-05-05 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id370406446) **AppTail Page:** [https://apptail.io/app/construction-master-pro-calc-EdEb/united-states](https://apptail.io/app/construction-master-pro-calc-EdEb/united-states) ## Construction Master Pro Calc Description 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® 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® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. Copyright 2026 ## Construction Master Pro Calc Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/79/79/18/797918ab-d70e-5ba0-be35-cd8bf250c07c/cb98d6ea-1f47-4f6e-a095-9a77c2fc61ca_3880-4125-ASO_1284x2778_New_UI_01.jpg/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/84/31/be/8431be5c-b4e7-c0ea-cce8-8d1736ec9e92/2caa2fd0-b313-43eb-abda-446ba713ac74_3880-4125-ASO_1284x2778_New_UI_02.jpg/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/38/a9/bb/38a9bbb6-81f5-33cf-d088-90b68f08fb62/3880-4125-CCP_1242x2688_BLUE_08b__U00281_U0029.jpg/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fb/a3/bb/fba3bb62-d1a0-2037-cea8-5c32dde39c46/6504e214-cf6b-4b16-b2b8-ce858b21c6e5_3880-4125-ASO_1284x2778_New_UI_04.jpg/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a6/77/f5/a677f5aa-915e-7281-e061-23c451e99114/63b63355-38c0-4e0b-b8b1-26c62819cba8_3880-4125-ASO_1284x2778_New_UI_05.jpg/1284x2778.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/9f/c4/ca/9fc4cab6-4bf0-333f-1314-272a665fd91f/a7164cbc-e2c5-4366-be84-fec8892dba89_3880-4125-ASO_1284x2778_New_UI_06.jpg/1284x2778.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/9e/66/79/9e667976-7435-5933-a5eb-6d9d1504d45f/61f690ab-16f8-4da2-9d8b-cb6430cb2218_3880-4125-ASO_1284x2778_New_UI_07.jpg/1284x2778.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/91/dd/4c/91dd4c06-8270-5095-a1dc-611250b89781/5dc9cdbc-ced3-464a-b877-0d36bb7b60f4_3880-4125-ASO_1284x2778_New_UI_03.jpg/1284x2778.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a8/d5/8e/a8d58e73-e5bd-14a9-684b-91cee4c8e1a5/ac03981c-c41d-4fb0-bd49-8e3ae76ac887_3880-4125-ASO_1284x2778_New_UI_09.jpg/1284x2778.png) - [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/98/5a/50/985a50e6-326f-7d15-7236-0cf88ef8372e/cacb4075-20cb-49af-b829-531129a18a46_3880-4125-ASO_1284x2778_New_UI_10.jpg/1284x2778.png) ## Construction Master Pro Calc Rating Breakdown in United States - 5 stars: 36,743 (92%) - 4 stars: 1,800 (5%) - 3 stars: 487 (1%) - 2 stars: 212 (1%) - 1 stars: 736 (2%) ## Construction Master Pro Calc Reviews in United States ### ***** "La mejor Herramienta" Belleza de Calculadora 502 Jaguar -- SFJaguar502, 2025-01-02 ### *---- "Like others, let me use the free first" Let me use the free version first, and choose to upgrade to a paid solution later. I’m not activating a 7-day trial only to forget about it. Every leaseware developer cries that subscriptions are necessary to “bring new features, fix bugs, etc.” That was called upgrades in the past, and you chose to buy if you wanted to added features and bug fixes. Today’s rentware world is driving all consumers mad. Sorry, but if you sold it for a price, I’d shop and decide. But not through a “give me your payment plan and hope you forget to cancel” attitude. -- Stuke, 2024-12-29 ### ***** "Very Efficient" My favorite calculator. -- Oscar’s construction, 2024-12-29 ### ***** "Excelente" Muy buena -- Astucapa, 2024-12-21 ### ***** "Muy buena calidad" Me gusta mucho -- simppinp, 2024-12-15 ### ***** "Respuesta excelente" La explicación para poder usar la aplicación en un iPhone fue excelente me confundí un poco pero es fácilmente -- Chuymadcal, 2024-12-11 ### *---- "ripoff" needs option to buy indefinitely i would pay the same price as the physical calculator but not monthly forever -- zaksadati, 2024-12-10 ### ***-- "Lag" Sometimes the lag on start up is infuriating, when you need to crunch numbers and the coding is more worried about internet connectivity (or whatever the load issue may be) it just makes me want to buy a physical calculator… -- Mortacai, 2024-12-09 ### *---- "Stop this Subscription Madness" Who in their right might doesn’t buy a calculator outright. Sell the App for a reasonable price and be done with the scam. Enough. -- BobG., 2024-12-03 ### *---- "Dumb" Stupid to put the app in the free category just to need a payment or card info just to use it lol. The term free has just died huh. -- Sickofit5150, 2024-11-29 [View all Construction Master Pro Calc reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Construction Master Pro Calc In-App Purchases | Item | Price | |------|-------| | 1 Year Full Access | $29.99 | | 1 Month Full Access | $3.69 | | 6 Months Full Access | $19.99 | ## Construction Master Pro Calc Store Rankings | Chart | Country | Category | Rank | |-------|---------|----------|------| | Top Grossing | Canada | Utilities | #24 | | Top Grossing | United States | Utilities | #41 | ## Construction Master Pro Calc Discovered Keywords - construction master pro - construction master - contractor pro app - blood spatter angle calculator - calculating fractions - material estimator calculator - ksb's piping calculator - industry application - construction calculator - building calculator ## Apps Similar to Construction Master Pro Calc - [Feet & Inches Tape Calculator](https://apptail.io/app/feet-inches-tape-calculator-PHp/united-states) - 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