Pevlika Browser Apps

Stair Calculator

Number of steps, riser height, run and stringer length.

Runs in your browser — nothing is uploaded
Units

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Material estimates only — add waste, confirm quantities with your supplier and follow local building codes. Not an engineering guarantee.

How to use Stair Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Risers = round(total rise ÷ target riser)

Comfort rule: 2 × riser + tread ≈ 60–65 cm (24–25 in)

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