# Learn to design a straight staircase

This construction video tutorial will provide detailed guidelines which are useful for creating the design of a straight stair in a building.

Here, the height of a sample wall is taken as 10 feet. Besides, the height of the each riser is taken as 7 inches and length of the each tread is taken as 11 inch.

In order to find out the numbers of risers & treads, the following formula should be applied :-

Numbers of Risers

>Height/Height of riser = 10/0.5833 (as 7 inch = 0.5833 ft) = 17.14 numbers i.e 17 numbers

Numbers of Treads

Numbers of Risers – 1 = 17-1 = 16 numbers

Now, in order to find out the total length of the staircase, go through the following video.