Stairs Calculator

Calculate unit rise and run

The calculator can be used to calculate unit rise and run of straight stairs.

stair

Rise

Run

Width

no. of steps

nosing projection

Unit rise:

Unit run:

Elevation angle: deg

Offset Steps :

General guidelines

  • unit run should not be less than 10 inches (25 cm)
  • unit rise should not exceed 7 3/4 inches (20 cm)

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