Staircase Calculator
Staircase Calculator
Compare risers and treads and estimate stair flight quantities.
A straight stair flight begins with the total rise and the space available for its run.
Compare riser and tread options using measured dimensions. Review the resulting geometry before estimating flight quantities, then account for landings and structural details separately.
How to use Staircase Calculator
- Choose measurement unit. Enter floor to floor rise, target maximum riser, tread depth and flight width.
- Enter waist thickness, ordering allowance and concrete quote.
- Select Calculate estimate. Read the returned values alongside the assumptions below before copying, exporting or acting on the result.
Why choose this tool?
Seeing rise and run together helps you notice a layout problem before turning the staircase into a material order.
Before you use the result
Straight flight geometry only, excluding landings. This is not a building code or structural compliance check.
Questions about Staircase Calculator
Does the result confirm building code compliance?
No. Local requirements, headroom, handrails and structural design require a separate check. This is a straight flight geometry worksheet.
What should I check before using Staircase Calculator?
Check Measurement unit, Floor to floor rise, Target maximum riser and Tread depth. Use the exact units shown beside the controls and replace any example values with your own inputs.
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