Stair Step Calculator

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Calculate approximate number of risers and actual riser height.

StairsWorking calculatorMobile friendly

Stair Step CalculatorVisual reference for this tool.

Use this calculator for quick estimating and planning. Verify project-specific assumptions before final procurement or design.

Floor Height (m)

Target Riser (m)

Tread (m)

Landing Allowance (m)

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Calculations run locally in your browser; no backend is required.

Risers = Floor Height / Target Riser; Actual Riser = Floor Height / Rounded Riser Count

At 3 m floor height and 170 mm target riser, about 18 risers are needed.

For structural, electrical, code-compliance or safety-critical work, use this as a preliminary estimate and verify with a qualified professional.

Short answers for common estimation questions.

They are estimation values. Site conditions, product specifications and local practice can change final quantities.

Yes. Civil Micros is designed to work on mobile browsers without a backend.

Continue your calculation workflow.