Stair Tread Riser Calculator

The nosing is the projecting edge of a tread.

Stair tread riser calculator.

Total area for all treads and rises 7 66m 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. This calculator will tell you. Enter total stair run. How many rises you ll need dimensions for each rise.

Treads may be cut to suit other widths. We suggest 10 5 for 2x12 or 2 2x6 treads. Use if total run is restricted by obstacles such as doors or landings. Total run the total horizontal length of the stair stringer total rise the vertical height between the bottom of the first step and the top of the final step in the stair stringer.

A fraction to decimal conversion table for common fractions used in measurements is also provided at the bottom of the page. For convenience and flexibility this stair stringer calculator comes in two forms the automatic and manual. Enter total stair rise inches. To simplify the process we ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project.

How to calculate stairs to use our stair calculator you need to enter the following measurements as a minimum. Is there a head height restriction. The rise is the vertical measurement taken from one step level to the next standard rise is 175mm. Interior stairs tread and riser ratio the typical interior stair dimension is calculated as the formula riser r tread t 17 inches minimum or 18 inches maximum not including the nosing.

Refer to the figure adjacent to the calculator as a reference. Our stair stringers range from 1 17 treads steps and are made for standard rise and going and work on a 1000mm between centres of the stringers. The stair stringer calculator allows you to perform online calculation of straight staircases on strings. The stair calculator is an online tool for calculating various parameters involved in the construction of stairs.

Total required number of tread total stair tread or run width of one tread 90 10 9 tread.