Stairs
Tread Depth Calculator
Your measurements : horizontal run, number of risers. Your estimate : tread depth.
How the calculation works
Tread Depth Calculator
Horizontal run / (Number of risers − 1)Before you order
- A straight flight is assumed. The upper floor is the final landing, so there is one fewer tread than riser. No headroom, landing, handrail or local code validation is included.
- Planning estimate only. This is not a structural design, a safety approval or a local code check.
Worked example
- Horizontal run
- 3.6 m
- Number of risers
- 16
Tread depth 0.24 m