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🪜 Staircase Calculator

Estimate basic risers, run, slope and stair angle.

Enter your values

Results are preliminary estimates. Use project-specific specifications, drawings, product data and local requirements for final decisions.

Result

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    Calculator guide

    How this calculator works

    Number of risers ≈ ceiling(floor height ÷ target riser)

    Method

    Number of risers ≈ ceiling(floor height ÷ target riser)

    Important limitation

    Final stairs must meet applicable building and accessibility requirements.

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    Important: 5iBuild calculations are general estimates. Verify drawings, specifications, product data, local rates and applicable codes or regulations before construction or procurement.