Stair Tread Angle Calculator

Use if total run is restricted by obstacles such as doors or landings.

Stair tread angle calculator.

Either b or c is required. 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. Not only is it used frequently but it also applies to other types of projects and calculations. Is there a head height restriction.

Angle of your staircase. The answer is the angle the staircase makes at the bottom and it will be the angle at which your railing rises. This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement. Being able to calculate stair angles is an important tool in construction.

Treads may be cut to suit other widths. 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. Two boards 5 4x6 two boards 2x6 one board 2x12 deck joist. Explore a number of building and housing related calculators as well as hundreds of other calculators involving topics such as finance math fitness health and more.

In doing so we shall calculate the dimensions of the steps and the staircase. Set your calculator to calculate trigonometric functions in degrees. Enter total stair rise inches. 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. As with most aspects of construction it involves taking direct measurements and manipulating those measurements with math to obtain a goal. We suggest 10 5 for 2x12 or 2 2x6 treads. Single board or two smaller boards for stair tread select.

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 to use the ez stair calculator. Try it right now for free. How do i use this calculator.

Divide the total rise by the total run of the staircase. 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.