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Stairs Calculator, Decking Estimator / Calculator, Setout, Concrete and other calculation!
StairCalc is designed for carpenters, contractors and builders who need accurate stair, decking & flooring calculations.
It is designed to save you the time and effort required for these building calculations - but it is not intended to teach you how to build stairs or decking - you already know how.
No need to remember complex data entry steps in order to enter data - start entering in any field. Double tap on buttons for help and guides.
Simultaneously find solutions when restrictions on tread, step rise, incline and 2R+G are required or ignore All or any number of restrictions - maximum flexibility.
Calculate when overall Rise & Run are both variable or fix either one - uses Long press Option.
Accurate and reliable, it is an indispensable tool for the stair framing, decking & flooring construction pro.
Developed by carpenters and used by contractors and builders around the world.
Metric or US/Imperial (feet, inches - decimal or fractions).
Also includes a general calculator simplified for construction calculations including a tape which can be emailed.
STAIR FRAMING (currently for single stair runs):-
Set upper and lower limits for step rise, treads, incline values and the slope formula 2R+G (2R+TD in some areas) where required by codes - all or only some applied at the same time.
In addition to handling multiple restrictions simultaneously Staircalc also allows for situations where the overall stair rise is fixed or the stair run is fixed or both rise and run are fixed allowing maximum flexibility.
◆ Number and size of step risers,
◆ Number and size of treads, step inclines,
◆ Step incline,
◆ Stairwell opening,
◆ Options for Insets, single or double bearers
◆ Set Spacing type to maximum, fixed or equal
◆ Set pricing for materials / labour to calculate cost and cost/area
◆ Print, email or message lists and even makes notes on first
Calculate and print list of stout positions.
◆ Equally spaced, maximum spacing or fixed spacing options;
◆ Insets at start and end.
◆ Lists of set out positions;
◆ Print, email or message lists and even makes notes on first;
◆ Concrete Calculator/Estimator for Slabs, footings, round and rectangular/square holes
◆ Calculate quantities for slabs, footings, round and rectangular/square holes.
◆ Estimates total volume and cost allowing for waste.
◆ Convert Lengths, Area, Volume: Metric and US/Imperial.
◆ Work in Decimal units or Yds/Ft/In/Fraction format to Metric, decimal US.
◆Calculate (add, subtract etc) directly in feet / inches / fractions or decimals.
◆Common functions for quick calculation
Extensive help - Single touch brings up brief help at top of screen ,tap twice on most buttons for more info.
Optimised for all iPhones and iPads using IOS11+ in portrait mode.
Infoguide is part of a small building firm based in Western Australia. This app was created by a former Roof Framing Carpenter for our team of carpenters. We use it and believe it will be as helpful to other carpenters as it was for us.

What's New in Version 2.26

Version 2.26:
Fixed Bugs relating to IOS 13
Version 2.25:
Fix bug in emailing simple calculator tab, with minor performance improvements.
Small performance improvements also Long Press option more obvious and with feedback via vibration when selected.
Fixes bug where sharing PDF or printing various lists only printed the first page.
This update includes the addition of ‘DECKING’ - a decking & flooring estimator / calculator.
Decking provides material layout, quantities, costing in a convenient 1 screen view.
The update also removes reference to a French Version (our apologies) which while started has not been completed and was included in error.
Decking has been added as new tab.
Tabs can be reorganised if required by going to the 'More' tab and pressing 'Edit'. Swipe the preferred Tabs to the tab bar at the bottom and 'Done'.
Older tabs will be gradually updated to the newer format based on feedback we receive.
The app requires IOS 11 or higher and is optimised for iPads & iPhones - Including iPhone XS, XSMax.
Requires Full Screen at the moment on the iPad.
Please provide feedback on any features you would like to see added or any areas you would like to be improved - we will respond!
We never prompt you for a review because we know your time is valuable.
If you a few moments please leave a rating or if you can spare the time, please leave a review.
It makes a big difference to us!
Go to Settings->More Information-> Review Us In The App Store
Version 2.0:
Includes the addition of new calculators - Set Out , Concrete Estimator, Converter (Length, Area, Volume).
Also included are some general improvements and minor bug fixes in the stand alone general calculator.
New Calculators:-
• Setout / Timber Spacing Layout - includes insets, timber width and equal, fixed and maximum settings;
• Convert - Allows conversion of length, area and volume. Convert between metric and US/imperial units including decimal and fractional units yards, feet & inches.








7.6 MB

Game Center


VPP Device Licensing



Rated: 4+


iOS 12.4 or later


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