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Standards for Stairs
and Doors
Human Figure
average measurements
Typical Furniture Measurements
Terminology and standards for stairs and doors.
Door standard measurements
Stairway terminology
Stair Rise and Run chart
Typical Riser and Tread dimensions
Rise
Tread
Pitch
6"
11.5"
27.55º
6.5"
11" 30.58º
7"
10.5"
33.68º
7.5" 10" 36.87º
8" 9.5" 40.13º
8.5" 9"
43.37º
9" 8.5" 46.63º
9.5" 8" 49.90º
table assumes rise + run = 17.5"

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