Expert Guide
House Planning
Staircase Riser & Tread Calculator
Quality Inspector
Design comfortable and safe staircases by calculating optimal step dimensions.
📐 Formula & Method
Total Risers = Floor Height / Target Riser. Actual Riser = Floor Height / Count. Total Run = (Count-1) * Tread Width.
Steps = Height / Riser
📋 Worked Example
3m height, 150mm target riser: • 20 Risers at 150mm each.
❓ Frequently Asked Questions
For residential buildings, a riser of 150mm to 175mm (6 to 7 inches) is considered comfortable.
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