DIY

Staircase Calculator

Built by Kevin Glover · @gloverbuilds · Verified formula

Calculate stair rise, run, and number of steps from floor-to-floor height. Code compliant. Free calculator.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

How to Use This Calculator
Tips for Best Results

Dimensionierung

Stufenhoehe: 16-18 cm. Auftritt: 26-32 cm. Blondel: 2×H+A = 63-65 cm. Stufen = Geschosshoehe / Stufenhoehe. 270 cm: 270/17 = ~16 Stufen. Mindestbreite: 80 cm (Wohnhaeuser).

Normen

DIN 18065 regelt Treppen in Deutschland. Handlauf ab 1 m Absturzhoehe Pflicht.

⚡ CalcWolf Insight

Inconsistent riser heights are the leading cause of stair falls. Building code limits variation to 3/8 inch because even tiny inconsistencies trip people — your foot expects every step to be identical.

Frequently asked questions

Wie viele Stufen?▾

Geschosshoehe / 17 cm. 270 cm: ~16 Stufen.

Mindestbreite?▾

80 cm Wohnhaus. 100 cm Mehrfamilienhaus.

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Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →