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Stair tread angle calculator.
Two boards 5 4x6 two boards 2x6 one board 2x12 deck joist.
Enter total stair rise inches.
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Divide the total rise by the total run of the staircase.
Treads may be cut to suit other widths.
The answer is the angle the staircase makes at the bottom and it will be the angle at which your railing rises.
In doing so we shall calculate the dimensions of the steps and the staircase.
Then calculate the inverse tangent of the result.
Use if total run is restricted by obstacles such as doors or landings.
As with most aspects of construction it involves taking direct measurements and manipulating those measurements with math to obtain a goal.
Is there a head height restriction.
For convenience and flexibility this stair stringer calculator comes in two forms the automatic and manual click on the icons to determine the best calculator to use for your stairs.
Single board or two smaller boards for stair tread select.
Angle of your staircase.
Not only is it used frequently but it also applies to other types of projects and calculations.
How do i use this calculator.
Enter total stair run.
Set your calculator to calculate trigonometric functions in degrees.
We suggest 10 5 for 2x12 or 2 2x6 treads.
How to use the ez stair calculator.
Use our simple stair calculator to determine pitch angle risers going number of steps and other dimensions.
The stair calculator is used for calculating stair rise and run stair angle stringer length step height tread depth and the number of steps required for a given run of stairs.
Either b or c is required.
Professional stair stringer calculator kalk pro with detailed drawings 3d visualisation online.
Being able to calculate stair angles is an important tool in construction.
A study conducted by the national library of medicine nlm found that the optimum riser was 7 2 in 183 mm and the optimum tread run was 11 or 12 in 279 or 300 mm.