Stair Calculator
How to Use
- Enter total rise (floor-to-floor height).
- Enter desired tread depth or total run.
- Click Calculate to get steps, riser height, and stringer length.
- Copy the result or download JSON.
FAQ
What is “total rise”?
Total rise is the vertical height from the lower floor to the upper floor.
Do building codes vary?
Yes. Always verify local code requirements for riser height and tread depth.
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