🪜 Stair Calculator
Floor height → steps, rise, tread and run. Step formula included.
63 cm
Steps
–
Rise
– cm
Tread
– cm
Run length
– m
📌 Stair rules
- 2×rise + tread ≈ 63 cm
- Ideal: rise 17–18 cm, tread 26–29 cm
- Min width for homes: 80 cm
- Railing mandatory from 2 drop edges
⚠️ Orientation — DIN 18065 norms, stairs are planned by a pro.