Construction Master Pro Calc
Feet Inch Fraction Calculator
| Revenue % | ||||
|---|---|---|---|---|
| Monthly · 14 days trial | 175 | $4.66 – $8.04 | ||
| Annual · 14 days trial | 175 | $35.63 – $63.83 | ||
| Annual · 14 days trial | 175 | $35.63 – $63.83 | ||
| Monthly · 14 days trial | 174 | $4.66 – $8.04 | ||
| 6 months · 7 days trial | 172 | $9.78 – $16.08 | ||
| Annual · 7 days trial | 172 | $8.15 – $15.93 | ||
| Monthly · 7 days trial | 168 | $1.62 – $3.16 | ||
| Annual · 7 days trial | 164 | $16.31 – $31.90 | ||
| 6 months | 113 | $26.99 – $40.21 | ||
| Monthly · 14 days trial | 84 | $1.55 – $7.63 |
| Revenue % | Top products | |
|---|---|---|
| United States | ||
| Canada | ||
| United Kingdom | ||
| South Korea | ||
| Mexico | ||
| Australia | ||
| Ireland | ||
| Bahamas | ||
| Brazil | ||
| Barbados |
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
