DIY

Calculate Concrete for Steps & Stairs

Built by Kevin Glover · @gloverbuilds · Verified formula

Calculate cubic yards of concrete needed for stairs. Enter rise, run, width, and number of steps.

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

In this article

Calculating Concrete for Stairs
Building Code Requirements

Berechnung

Stufen × Stufenvolumen + 10%. Trittstufe 30×17 cm, 100 cm breit: 0,051 m³/Stufe. 5 Stufen: ~0,28 m³. Blondel-Formel: 2×Steigung + Auftritt = 63-65 cm.

Masse

Stufenhoehe: 16-18 cm. Auftritt: 26-32 cm. Handlauf ab 3 Stufen empfohlen, ab 1 m Absturzhoehe Pflicht.

⚡ CalcWolf Insight

This calculator uses established formulas and industry standards to give you accurate, actionable results.

Frequently asked questions

Stufenmasse?▾

Hoehe 16-18 cm, Auftritt 26-32 cm. Blondel: 2×H+A = 63-65 cm.

Handlauf noetig?▾

Ab 3 Stufen empfohlen. Ab 1 m Absturzhoehe: Pflicht.

✓ Math logic verified against primary sources → See our verification process

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 →