Construction Master 5
Tools In-app purchases
Construction Master 5 for Android from Calculated Industries.
- Rating
- 4.7
- 3.5K ratings
- Downloads
- 176K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Aug 20
- 2026 · v10.20.18
Screenshots
About Construction Master 5
The Construction Master 5 calculator for your Android smartphone is built with the same features and functions, and the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. And while perhaps obvious, if you change from an Android device to an iPhone or iPad, you WILL need to buy a new license as they are incompatible.
No learning curve -- just one powerful, easy-to-use calculator app, for Carpenters, Builders & More.
Save time with solutions for Contractors, Builders, Carpenters, Architects, Engineers, Tradespersons and Advanced Do-It-Yourselfers
• You get ALL of the functionality of the handheld Construction Master 5 calculator.
• Calculate tough construction-math problems and reduce errors on the jobsite or in the office.
• Reduce costly errors and save time and money. It will help you and your crew on every phase of your projects — estimating, bidding and building.
FEATURES:
• Created by Calculated Industries, the originator of the award-winning Construction Master calculators
• All the functionality and solutions of the handheld Construction Master 5 and optimized for the Android smartphone user
• Built-in help – just press and hold the desired key for full, clear definitions, explanations and examples of keystrokes
• Powerful built-in solutions make it ideal to calculate layouts, plans, bids and estimates
• 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
• Calculate Areas and Volumes
Dimensional Math and Conversions
• Feet-Inch-Fraction, Inch Fraction, Yards
• Decimal Feet (10ths, 100ths), Decimal Inches
• Preset Fraction Conversions (1/2" through 1/64")
• Full Metric Conversions Function (m, cm, mm)
Right Angle Solutions
• Complete Right Angle/Rafter Calculations
• Pitch Key (Slope and Grade)
• Calculate Rise, Run, Diagonal/Common Rafters
• Hip/Valley Key
• Jack Rafters Key
• Irregular Hip/Valley Rafters and Jack Rafters
• Stair Layout Key for easy stair calculations
• Diagonal Key
• Expanded Rake-Wall
Area and Volume Solutions
• Square and Cubic
• Basic Circular Calculations
• Weight per Volume Conversions
Special Functions
• Calculate Board Feet
• User-Definable Preferences
• Haptic Feedback (optional)
• Entry Editing Backspace Key – with a swipe of a finger
• Cost per Unit (Total costs based on unit price)
• Advanced Paperless Tape
• Memory function
Ideal for Contractors, Builders, Carpenters, Architects, Engineers, Tradespersons and Advanced Do-It-Yourselfers
No learning curve -- just one powerful, easy-to-use calculator app, for Carpenters, Builders & More.
Save time with solutions for Contractors, Builders, Carpenters, Architects, Engineers, Tradespersons and Advanced Do-It-Yourselfers
• You get ALL of the functionality of the handheld Construction Master 5 calculator.
• Calculate tough construction-math problems and reduce errors on the jobsite or in the office.
• Reduce costly errors and save time and money. It will help you and your crew on every phase of your projects — estimating, bidding and building.
FEATURES:
• Created by Calculated Industries, the originator of the award-winning Construction Master calculators
• All the functionality and solutions of the handheld Construction Master 5 and optimized for the Android smartphone user
• Built-in help – just press and hold the desired key for full, clear definitions, explanations and examples of keystrokes
• Powerful built-in solutions make it ideal to calculate layouts, plans, bids and estimates
• 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
• Calculate Areas and Volumes
Dimensional Math and Conversions
• Feet-Inch-Fraction, Inch Fraction, Yards
• Decimal Feet (10ths, 100ths), Decimal Inches
• Preset Fraction Conversions (1/2" through 1/64")
• Full Metric Conversions Function (m, cm, mm)
Right Angle Solutions
• Complete Right Angle/Rafter Calculations
• Pitch Key (Slope and Grade)
• Calculate Rise, Run, Diagonal/Common Rafters
• Hip/Valley Key
• Jack Rafters Key
• Irregular Hip/Valley Rafters and Jack Rafters
• Stair Layout Key for easy stair calculations
• Diagonal Key
• Expanded Rake-Wall
Area and Volume Solutions
• Square and Cubic
• Basic Circular Calculations
• Weight per Volume Conversions
Special Functions
• Calculate Board Feet
• User-Definable Preferences
• Haptic Feedback (optional)
• Entry Editing Backspace Key – with a swipe of a finger
• Cost per Unit (Total costs based on unit price)
• Advanced Paperless Tape
• Memory function
Ideal for Contractors, Builders, Carpenters, Architects, Engineers, Tradespersons and Advanced Do-It-Yourselfers
What’s new
Version 10.20.18 · Updated August 20, 2026
Maintenance and compliance updates.
User reviews
Need to have more carácter for larger computation, the rest is excellent
Best Calculator Period.
Awesome!!!
Awesome!!! Hip rafters are dead on everytime. This app has never been wrong as long as you properly input the measurments.
I have always loved construction master 1 then 2 now to have 5 on my phone for a roof and stair guy it's perfect!
Have been using construction master calculaters since 1993 when I purchased a CM3 with trig. The app was a great add very pleased with the product. Very satisfied customer.
Frequently asked questions
What is the Construction Master 5 calculator?
The Construction Master 5 calculator is a powerful and easy-to-use calculator app designed for Carpenters, Builders, and more. It includes all the functionality of the handheld Construction Master 5 calculator.
Can I use the Construction Master 5 calculator on my Android smartphone?
Yes, the Construction Master 5 calculator is optimized for Android smartphones.
Can the Construction Master 5 calculator help reduce errors on construction projects?
Yes, the Construction Master 5 calculator can help reduce costly errors and save time and money. It is designed to assist with estimating, bidding, and building phases of projects.
What dimensional formats can the Construction Master 5 calculator work with?
The Construction Master 5 calculator can work with and convert between all building dimensional formats, including feet-inch-fractions, inch fraction, yards, decimal feet, decimal inches, and metric units (m, cm, mm).
What right angle functions does the Construction Master 5 calculator have?
The Construction Master 5 calculator has built-in right angle functions that simplify square-ups, rafters, slopes, and more. It can calculate rise, run, diagonal/common rafters, hip/valley rafters, and jack rafters.
What area and volume solutions does the Construction Master 5 calculator offer?
The Construction Master 5 calculator can calculate areas and volumes for various shapes. It also includes basic circular calculations and weight per volume conversions.
Are there any special functions available on the Construction Master 5 calculator?
Yes, the Construction Master 5 calculator has special functions such as calculating board feet, user-definable preferences, haptic feedback (optional), and an entry editing backspace key.
Who can benefit from using the Construction Master 5 calculator?
The Construction Master 5 calculator is ideal for Contractors, Builders, Carpenters, Architects, Engineers, Tradespersons, and Advanced Do-It-Yourselfers.
Alternatives to Construction Master 5
Looking for apps like Construction Master 5? Here are 6 similar Android apps on Google Play. The highest rated is Material Estimator Calculator (4.4/5), and 2 of the 6 are free to download.
-
Material Estimator Calculator 4.4
-
Sheet Metal HVAC Pro Calc
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ITI Calc
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ConversionCalc Plus
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Construction Master EZ
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LDM Connect - Jobsite Sizer
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Construction Master 5 | 4.7 / 5 | Free | 100,000+ | Aug 20, 2026 | |
| Material Estimator Calculator | 4.4 / 5 | Free | 50,000+ | Aug 31, 2026 | Compare |
| Sheet Metal HVAC Pro Calc | – | 29.99 USD | 500+ | – | Compare |
| ITI Calc | – | 24.99 USD | 1,000+ | – | Compare |
| ConversionCalc Plus | – | 9.99 USD | 100+ | Apr 28, 2020 | Compare |
| Construction Master EZ | – | 29.99 USD | 100+ | Apr 19, 2019 | Compare |
| LDM Connect - Jobsite Sizer | – | Free | 500+ | – | Compare |
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