Construction Pro: Calculator
Feet Inch Fraction Calculator
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Stop double-checking stair, rafter, and layout math. Solve feet-inch-fractions faster and avoid costly, embarrassing jobsite mistakes.
Construction Pro is a practical jobsite calculator for construction, framing, roofing, stair layout, and material estimating.
Built around fast feet-inch-fraction input, Construction Pro lets you enter dimensions the way tradespeople actually work, then calculate, convert, and save results without breaking focus.
Core calculator features:
Feet-inch-fraction entry
Unit conversions
Memory functions
Paperless history tape
Saved calculations
Adjustable measurement precision
Metric and imperial display options
Pro tools currently included:
Stair Calculator
Stairwell Opening
Roof Estimator
Rafter Calculator
Right Angle / Diagonal
Concrete / Slabs
Drywall / Siding
Area & Perimeter
Use Construction Pro to:
Solve framing and layout calculations quickly
Estimate roof area, squares, bundles, and rafter lengths
Calculate stair rise, tread count, total run, and stringer length
Estimate concrete volume, bags, drywall sheets, and material needs
Store and revisit calculations later
Construction Pro is designed for contractors, carpenters, remodelers, estimators, and serious DIY users who need accurate, repeatable construction math on site.
Some advanced tools and saved-job features require Pro.
Privacy Policy: https://mathhero.space/legal/constructionpro/privacy.html
Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
fixed some bugs, modify app name, adding screenshots.
The developer, Manh Nguyen, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Manh Nguyen
- Size
- 2.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Premium $19.99
- Premium Yearly $9.99
- Monthly Premium $1.99
- Copyright
- © 2026 MathHero Space