What's New

Fix to crash on subs screen launch.

App Description

Save time and reduce costly errors on all your jobs with the award-winning and industry-leading Construction Master™ 5 feet-inch-fraction builder's calculator!

For over 30 years the Calculated Industries Construction Master handheld calculator has been the trusted go-to tool by top carpenters and framers all across North America and beyond.

As an app for your phone or tablet it is ideal for busy Builders, Contractors, Designers, Fabricators, Framers/Carpenters, Tradesmen of every specialty and even Advanced Do-It-Yourselfers -- Anyone who works with dimensions who is interested in improving speed, accuracy and productivity.

It operates exactly as the handheld Construction Master 5, along with added app-exclusive features. It includes a full User’s Guide built-in, as well as the ability to press and hold a key for specific help! Even includes tutorial videos.

Built with the same core engine that powers the industry-standard advanced construction-math handheld calculators from Calculated Industries.

• Powerful built-in solutions make it ideal for completing layouts, plans, bids and estimates in the field, office or truck
• 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
• And so much more.

• Entry Editing Backspace Key – with a swipe of a finger (left - to - right)
• Context-sensitive Help -- just press and hold any function key for Help text, diagrams, videos
• Ability to Save or Email calculations and outputs (e.g., cut-lists) to File or others on your crew

Dimensional Math and Conversions
• Feet-Inch-Fraction, Inch Fraction, Yards
• Decimal Feet (10ths, 100ths), Decimal Inches
• Preset Fractions (1/2" through 1/64")
• Full Metric Function (m, cm, mm)

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

Area and Volume Solutions
• Square and Cubic
• Basic Circular Calculations
• Weight per Volume Conversions

Special Functions
• Board Feet
• User-Definable Preferences
• Entry Editing Backspace key – with a swipe of a finger
• Cost per Unit (total costs based on unit price)
• Advanced Paperless Tape (shareable)
• Memory function

And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible.

The first 7 days are free. Subscriptions offered will automatically renew at the end of the chosen period. Payment will be charged to your Apple account upon purchase confirmation. The subscription will automatically renew unless auto-renew is turned off or subscription is canceled in settings at least one day (24-hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Subscriptions.

CONSTRUCTION MASTER is a common law trademark owned by Calculated Industries. Calculated Industries’ U.S. Trademark Registration Nos. 2138685 and 1569347 have expired. Calculated Industries is the owner of U.S. Trademark Serial No. 97752159 for CONSTRUCTION MASTER.

Copyright 2023

iPhone Screenshots

(click to enlarge)

Construction Master 5 Calc screenshot 1 Construction Master 5 Calc screenshot 2 Construction Master 5 Calc screenshot 3 Construction Master 5 Calc screenshot 4 Construction Master 5 Calc screenshot 5

iPad Screenshots

(click to enlarge)

Construction Master 5 Calc screenshot 6 Construction Master 5 Calc screenshot 7 Construction Master 5 Calc screenshot 8

App Changes

  • June 24, 2011 New version 1.1.1
  • March 27, 2013 New version 1.1.2
  • June 08, 2013 New version 1.1.3
  • September 16, 2013 New version 1.1.4
  • August 27, 2014 New version 1.2.0
  • February 16, 2015 Price increase: $14.99 -> $19.99
  • December 25, 2015 Price increase: $19.99 -> $24.99
  • March 05, 2016 Price decrease: $24.99 -> $19.99
  • June 30, 2016 New version 1.2.1
  • June 15, 2019 New version 10.4.1
  • December 24, 2019 New version 10.5.0
  • October 23, 2020 New version 10.6.0
  • August 06, 2021 Price increase: $19.99 -> $24.99
  • September 16, 2023 New version 12.4.13
  • September 16, 2023 Price decrease: $24.99 -> FREE!