Feet & Inch Construction Calc

Contains adsIn-app purchases
3.21K reviews
Content rating
Everyone
1M+
Downloads
Content rating
Everyone
Learn more
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About this app

Blue = Feet
Green = Inches & fractions

Tools include:
- Triangle calculator (calculate angles, diagonals, squares)
- Unit converter (imperial to metric)
- Scale (scale plan dimensions)
- Pipe fitting (calculate travel, run, required elbow angle, equal spread offset)
- Circles / Columns (calculate area, volume from radius or diameter + height)
- Advanced circles (Calculate chords, arcs, cross sectional areas)
- Stair stringers (Cut guide / calculator for stair stringers)
- Board Feet (Calculate board feet, pricing, create take-off list)
- Baluster / Fence (calculate spacing for balusters and fence posts)

Questions or suggestions?
Email WinogradApps@gmail.com (same day replies!)
Built in tools for your trade
Updated on
Sep 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity, App info and performance, and Device or other IDs
  • This app may collect these data types
    App activity
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

3.12K reviews
A Google user
January 18, 2020
Great.. At first glance it does no look like your average calculator, there for it does not operate like one. A bit confusing at first, then i dicovered just how simple and quick it is. For real, it is simpler and faster then the old way. And you will make a lot less entry errors. Im a steel fabricator dealing with lots of numbers and i wish i had this when i did carpentry work, didnt have smart phoned back then. Also this app isn't forgotten like so many other, the developer is always updating,
49 people found this review helpful
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Winograd Apps, LLC
January 18, 2020
Thanks so much for the review! If you ever have any suggestions feel free to email me at WinogradApps@gmail.com. Best, Evan
A Google user
February 20, 2020
I use this app for work (structural engineer). Used the free version for the last year, just upgraded to paid because I wanted to support the developer for a good, simple app that saves me time. Sure, I can do this math by hand, but this is faster and reduces errors. The paid upgrade literally cost less than I charge for three minutes of work. The free version definitely saved me more than that last year. Gives me more time to do the actual hard part I get paid for! Thanks!
52 people found this review helpful
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Winograd Apps, LLC
February 20, 2020
Your support and review is greatly appreciated!!! Glad the app has saved you so much time. If you ever have any suggestions for the app, please don't hesitate to reach out. WinogradApps@gmail.com. Best, Evan
A Google user
February 25, 2020
Lots of good ideas here, but the two conversion input elements are fixed to only a few choices for each. Ft, yd, mi, %, mil on one side and in, m, mm, cm, km on the other. So it only allows me to convert feet to inches, but not inches to cm, for example. I REALLY want to be able to input 5/128" and have it tell me how many mm this is. No other converters allow fractional input. EDIT: Thanks dev for quick response. I wasn't hitting =.
25 people found this review helpful
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Winograd Apps, LLC
February 29, 2020
Hi Kris, did my notes make sense for accomplishing what you'd like to do? Please email me at WinogradApps@gmail.com for more instructions as the app can do exactly what you want.

What’s new

Fixed launch bug from 9.0.1
Floor Plan Improvements - Speed, PDF / Image import, Tile Takeoff, Trim added to paint takeoff
Cabinet bug fix - Fixed Shaker panel dimension
PIpe Sizes update - added cubic feet