# Measure Master Pro Calculator — Design + Building Math Calc > U.S. and metric unit conversion and calculation tool for design and building. (iPhone/iPad app by Calculated Industries.) - Source: https://appshunter.io/ios/app/measure-master-pro-calculator/id390273304 (this page in markdown: same URL + `.md`) - Developer: [Calculated Industries](https://appshunter.io/developer/370406449) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 4.80/5 from 4,235 App Store ratings · 77 written reviews indexed - Age rating: 12+ - Requires: iOS 15.0 · 57 MB - Languages: American English - Released: 2010-09-08 - Data updated: 2026-08-27 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/measure-master-pro-calculator/id390273304/reviews.md ## What is Measure Master Pro Calculator? FREE Try Before You Buy trial, your App Store account is not charged by Apple during the free trial. The Measure Master Pro app from Calculated Industries allows you to solve U.S. and metric unit conversions on your iPhone or iPad. Get professional results every time with this handy and easy-to-use tool for projects involving measurements. Ideal for Designers, Tradespersons, Woodworkers, Craftsmen, Fabricators, Technicians, and Students. ----- MULTI-DIMENSIONAL UNIT CONVERSION ----- • Convert between feet-inch-fractions, inch fractions, yards, and decimal feet and inches (10ths, 100ths) • Utilize full metric conversions, including meters, centimeters, and millimeters • Effortlessly switch between U.S. and metric units, ideal for international projects ----- ADVANCED WEIGHT CALCULATIONS ----- • Calculate weight in pounds, tons, metric tons, and kilograms • Determine weight per volume for materials management • Essential for accurate material estimation in construction and fabrication ----- GEOMETRY SOLUTIONS ----- • Instantly solve for circle area, circumference, and arc lengths • Ideal for designers and craftsmen working with circular designs • Enhance accuracy in geometrical calculations ----- COMPREHENSIVE DIMENSIONAL ANALYSIS ----- • Solve for linear, area, volume, and perimeter dimensions • Length, Width, and Height keys for quick calculations • Reduce errors in dimension estimation, crucial for tradespersons and technicians ----- USER-FRIENDLY INTERFACE ----- • Developed by the creators of the Construction Master(™) calculators • Input numbers as you would naturally say them • Built-in help with clear definitions, explanations, and examples ----- PRECISE MATH AND CONVERSION TOOLS ----- • Includes preset fractions from 1/2" to 1/64" for detailed work • Conversion capabilities for Decimal Degrees and D.M.S. • Comprehensive for all types of mathematical and conversion needs ----- DEDICATED FUNCTION KEYS ----- • Linear measurement keys for feet, inches, yards, meters, etc. • Area and Volume calculation keys for various units, including acres and cubic meters • Specialized keys for weight and weight per volume calculations ----- SPECIALIZED PROFESSIONAL FUNCTIONS ----- • Entry Editing Backspace Key for easy corrections • Cost per Unit function for simple pricing and cost analysis • Advanced Paperless Tape feature to review past calculations ----- CUSTOMIZATION AND MEMORY FEATURES ----- • Board Feet calculation function for woodworking projects • Customizable preferences to set user-specific options • Memory function to store and recall past calculations ----- INTUITIVE DESIGN AND HELP FEATURES ----- • Designed for ease of use by students, craftsmen, and professionals • Comprehensive help features for all functions • Streamlined interface for quick and easy calculations Whether you're a student, designer, tradesperson, or technician, this app is the perfect companion for all your measurement and conversion tasks. SUBSCRIPTION INFORMATION 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 the 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. LEGAL Measure Master Pro is a trademark of Calculated Industries, Inc. Copyright 2024 ## Key features - Multi-dimensional unit conversion (U.S. & metric) - Advanced weight calculations - Geometry solutions (circle area, circumference) - Comprehensive dimensional analysis (linear, area, volume) - Cost per Unit function - Paperless tape for past calculations - Board Feet calculation ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | 1 Month Full Access | $1.99 | per month | | 1 Year Full Access | $19.99 | per year | ## What do users think of Measure Master Pro Calculator? Overall sentiment: positive **Pros** - 👍 Easy to use - 🚀 Convenient and always available - 💯 Accurate and reliable - 🔧 Essential tool for construction professionals - ⚡ Fast and responsive - 🔢 Handles fractions and conversions well **Cons** - 🔒 Subscription model instead of one-time purchase - 🔍 Missing some key features like stair and diagonal calculations - 📱 UI could be improved, especially on iPad - 🐛 Occasional bugs and crashes reported **Commonly reported bugs** - Unable to download on iPhone after previous iPad purchase - Free trial screen gets stuck, preventing full app usage **Most requested features** - Bring back the S.F. button - Add landscape mode support for iPad - Improve handling of large numbers - Integrate more advanced construction-specific functions ## Recent user reviews (10 of 77) All indexed reviews: https://appshunter.io/ios/app/measure-master-pro-calculator/id390273304/reviews.md ### 5/5 — Very useful *2026-08-07, version 12.10.17* . I’m in Architect and I use this app all the time. you can use it to add feed and inches in fraction or you can use it to translate metric to feet and inches ### 5/5 — Nice and easy to use *2026-08-04, version 12.10.17* Really intuitive app, manages the fractions really well, I recommend to use it, makes your life easier ### 5/5 — Every Day Use *2026-07-21, version 12.10.17* I reach for the Master Measure Pro calculator every day to find the answers I need! ### 5/5 — Excellent calculator *2026-07-03, version 12.10.17* I use this calculator all the time. I have been using it for 10+ years and it is perfect! It does everything I need it to do in the construction industry ### 5/5 — Best app *2025-12-08, version 12.8.7* I have been using math conversion apps for a long time and I settled on this years ago and then I went to an android and I couldn’t convert my account over to my android and so I just may do and forgot about it and then I got another Apple phone and I went and re-downloaded it. It still had my information so I did not have to re-purchase it and it just by far is the best way to go when you’re trying to convert and do angles and degrees and fractions or anything volumes anything it’s really good. ### 5/5 — Super *2025-12-07, version 12.8.7* This is really great. I have used this tool for my woodworking. This is cheap for what you get. Well worth the price. ### 4/5 — S.F. Button *2025-10-29, version 12.8.7* Overall love your calculators and have used them for ~30 years, thank you. I would like to know what happened to the S.F. button? Please bring it back. It is missing on most, if not all, of your calculators. ### 5/5 — A Critical App *2025-10-15, version 12.8.7* Works as expected, great to have when I don’t have my physical Construction Master 5. ### 1/5 — Not able to download to iPhone was able to on iPad. Cause I purchased lifetime app. Now it’s yearly. *2025-08-25, version 12.8.7* Not able to download to iPhone was able to download to iPad. I purchased lifetime app 10 years ago now it’s a yearly app. Ripoff ### 5/5 — Great tool *2025-07-31, version 12.8.7* Excellent layout and intuitive simple design ## Frequently asked questions about Measure Master Pro Calculator ### What does Measure Master Pro Calculator do? Measure Master Pro Calculator is a mobile application designed to perform U.S. and metric unit conversions and complex calculations relevant to design and building projects. It helps users solve for linear, area, and volume dimensions, perform weight calculations, and handle geometrical problems. ### What are the key features of this app? Key features include multi-dimensional unit conversion between U.S. and metric systems, advanced weight calculations, geometry solutions for circles, comprehensive dimensional analysis, a cost per unit function, and a paperless tape to review past calculations. It also offers specialized functions like Board Feet calculation for woodworking. ### How much does Measure Master Pro Calculator cost? The app offers a free trial period before purchase, meaning your App Store account is not charged by Apple during the trial. After the trial, it operates on a freemium model, suggesting that certain advanced features or full functionality may require a purchase or subscription. ### What kind of projects is this app useful for? This app is ideal for a wide range of projects involving measurements and calculations. This includes construction, fabrication, woodworking, design, and general crafting. Its ability to handle both U.S. and metric units makes it suitable for international projects as well. ### What devices is Measure Master Pro Calculator compatible with? The application is available for iPhone and iPad devices. Its user-friendly interface is designed for ease of use on these mobile platforms, allowing for quick and accurate calculations on the go. ## Version history (last 5 releases) ### 12.10.17 — 2026-01-31 New menu Updated preferences behavior Resolved unitless rounding issue Resolved stored settings toggle Fixed some under the cover crashes Moved Preferences to the bottom tab bar ### 12.8.7 — 2025-05-08 Dedicated Functions Help You Measure and Calculate: • Linear • Feet-Inch-Fractions • Yards, Miles • Decimal Feet/Inch • Millimeters, Centimeters, Meters • Area • Feet, Inch, Yards, Acres, Miles • Millimeters, Centimeters, Meters • Square and Cubic • Volume • Feet, Inch, Yards, Miles • Millimeters, Centimeters, Meters, • Weight • Pounds, Tons • Metric Tons, Kilograms • Weight per Volume • Tons per Cubic Yard • Pounds per Cubic Yard • Pounds per Cubic Feet • Metric Tons per Cubic Meter • Kilograms per Cubic Meter Special Functions • Entry Editing Backspace Key – with a swipe of a finger • Cost per Unit: Solve unit cost and pricing • Advanced Paperless Tape • Board Feet • Memory function • User-Definable Preferences — set custom options: Fractions, Area, Volume, Metric, and Degrees. ### 12.4.13 — 2023-09-09 Fix to crash on subs screen launch. ### 12.4.1 — 2023-08-18 Step 1 of 2, removal of calc settings on update. ### 12.2.4 — 2023-07-19 Key clicks default to off ## Apps similar to Measure Master Pro Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Material Estimator Calculator](https://appshunter.io/ios/app/material-estimator-calculator/id376071081) | 4.8 (3,093) | Free | Utilities | | [Tape Measure Calculator Pro](https://appshunter.io/ios/app/tape-measure-calculator-pro/id482504435) | 4.8 (2,196) | $3.99 | Utilities | | [Construction Master Pro Calc](https://appshunter.io/ios/app/construction-master-pro-calc/id370406446) | 4.8 (39,372) | Free | Utilities | | [Calculator +](https://appshunter.io/ios/app/calculator-plus/id351815470) | 4.6 (10,020) | Free | Utilities | | [Feet and Inches Calculator](https://appshunter.io/ios/app/feet-and-inches-calculator/id1072241945) | 4.6 (401) | Free | Utilities | | [Concrete Calculator Plus](https://appshunter.io/ios/app/concrete-calculator-plus/id1494386815) | 4.8 (21,304) | Free | Utilities | ## More apps by Calculated Industries - [Boater's Pocket Reference](https://appshunter.io/ios/app/boaters-pocket-reference/id323913317) - [Navy SEAL Fitness](https://appshunter.io/ios/app/navy-seal-fitness/id324155166) - [I.D. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*