FieldengConstruction & Trades
Stair Riser Count
Integer riser candidates around total rise / target rise. Returns floor, ceil, and the closer actual riser.
Construction & Trades
Integer riser candidates around total rise / target rise. Returns floor, ceil, and the closer actual riser.
App id: STAIRS-02. Reference version 1.0.
How to fill it
Fill the inputs. The tool shows the outputs.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
n ≈ total / target; rise = total / nInputs
| Name | Unit |
|---|---|
| Total rise | in |
| Target riser height | in |
Outputs
| Name | Unit |
|---|---|
| Closer riser count (hero result) | 1 |
| Closer actual riser | in |
| Floor count | 1 |
| Floor actual riser | in |
| Ceil count | 1 |
| Ceil actual riser | in |
| Deviation from target | in |
Diagnose
Observations are context. They do not pass or fail a structure. See Diagnose.
| When | Observation | Severity |
|---|---|---|
|delta m| ≥ 1e-9 | Target rise does not divide evenly | info |
Provenance
- Candidates are geometry, not a pass/fail code table.