Stairs Calculator

Calculate unit rise and run

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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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