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Stair Calculator

Let us help you calculate your stair design.

The total design height of your project measured in inches.


(inches)
Vertical measurement from ground to landing. The Vertical Rise should not be greater than 147".

Your preferred ending riser height in inches.


(inches)
Maximum Riser height 7-3/4" from the top of one Tread to the top of the next Tread.

The thickness of the decking product you are using in inches.


(inches)
The actual measurement of the Tread thickness.

Similar but different


(inches)
Measured from the Nose of 1 tread to the Nose of the next tread. R311.7.5.2 Treads The actual tread depth can be longer than the run. See Nosing Rule.
     

    Information

    Additional information, code links, suggestions, etc.

    Watch our video on how to cut stair stringers.