Professional stair stringer calculator kalk pro with detailed drawings 3d visualisation online.
Stair tread angle calculator.
Two boards 5 4x6 two boards 2x6 one board 2x12 deck joist.
Running measurements vertically lower floor to top of each tread possible landing heights blue middle to calculate and display upper floor opening and stair head room enter upper floor thickness check the show head room check box and drag the head slider to calculate and animate diagram head room and floor opening.
In doing so we shall calculate the dimensions of the steps and the staircase.
Try it right now for free.
Being able to calculate stair angles is an important tool in construction.
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.
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.
This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement.
Either b or c is required.
How to use the ez stair calculator.
Angle of your staircase.
Enter total stair run.
The answer is the angle the staircase makes at the bottom and it will be the angle at which your railing rises.
Treads may be cut to suit other widths.
Set your calculator to calculate trigonometric functions in degrees.
Single board or two smaller boards for stair tread select.
We suggest 10 5 for 2x12 or 2 2x6 treads.
As with most aspects of construction it involves taking direct measurements and manipulating those measurements with math to obtain a goal.
Enter total stair rise inches.
Is there a head height restriction.
Divide the total rise by the total run of the staircase.
Then calculate the inverse tangent of the result.
In addition we will show you how the stair stringer calculator works out the rise run angle and stringer length allowing you to plan the layout of your intended staircase effectively.
How do i use this calculator.
Use if total run is restricted by obstacles such as doors or landings.