Standard Staircase Length
The general rule in the us is 7 11 a 7 inch rise and 11 inch run 1778cm 2794cm.
Standard staircase length. The wider they are the better because they are safer. Increasing the length of the run by the smallest unit of measurement increases cost and the length of a staircase. The angle that the staircase makes with the surface of the ground is called slope. Standard code requires that each stair tread fall between 9 inches and 11 inches 229 cm and 279 cm to allow people to safely ascend and descend stairs.
The width of the stairs should be 3 ft 6 inches. You must also figure in a minimum three foot landing or clear floor area at the bottom of the steps. Unit run is carefully considered based on both safety and cost. According to standard dimensions nosing should be less than 1 inches.
More exactly no more than 7 34 inches 197cm for the riser vertical and a minimum of 10 inches 254cm for the tread horizontal or step. Increasing the length of the run by the smallest unit of measurement increases cost and the length of a staircase. 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. Buy standard staircases to order online from 15999 excluding vat we have straight staircases available ready made and we have a selection of standard sizes winder staircase designs fixed sizes from a uk iso9001 staircase manufacturer s12n2600 s12n2700 s13n2800 standard sizes low prices.
Ive come across several homes where this staircase design mistake has been made. There are no restrictions when it comes to width but standard flights measure 860mm and for a main staircase it is agreed that a width of between 800mm and 900mm works best. This means you will have 13 treads for a total length of 130 inches or 10 feet 10 inches. Standard code requires that a stair run should fall between 9 inches and 11 inches 229cm and 279cm to allow people to safely ascend and descend stairs.
When a product weighs in excess of 15kg. Your own risk assessment can determine whether an assisted lift is required or even mechanical lifting arrangements will be required. Under staircase dimensions mistake. The weight of a typical staircase exceeds 15kg.
All staircases have one more riser than they do treads. This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement. For secondary staircases a minimum width of 600mm is recommended. This angle should be at least 30 degrees and no more than 50 degrees.