Stair Stringer Calc
Stair Stringer Calc Summary
Stair Stringer Calc is a with in-app purchases iOS app in Tools by ZHENGQIAO JIANG. Released in May 2026 (recently released ago). Store metadata: updated May 7, 2026.
Store info: Last updated on App Store on May 7, 2026 .
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App Description
What does Stair Stringer Calc do?
Calculates stringer length, riser height, tread depth, and pitch angle for any staircase.
Enter total rise and tread depth, get instant results plus an IRC R311.7 compliance check.
Is my data private?
100% offline. Nothing leaves your iPhone. No accounts, no analytics, no ads, no tracking.
How do I get started?
1. Enter total rise (floor to floor height)
2. Enter desired tread depth (default 10 inches)
3. Read off riser count, riser height, stringer length, and pitch angle
What can I do with it?
- Real-time stair calculations with imperial fractions or metric
- IRC R311.7 compliance warnings (riser height, tread depth, max flight, sum rule)
- Save unlimited stair projects with custom names and notes
- Export 1:1 scale PDF cut diagrams to print and tape to your wall
- Side view visualization updates as you type
- Reference section with IRC code, formulas, and cutting instructions
What units does it support?
Imperial (feet and inches with fractions to 1/16) and Metric (millimeters and centimeters).
Will the PDF print at actual size?
Yes. PDF output uses 1 inch = 72 points so the cut diagram prints at true scale on letter or A4 paper. Tape it to your stringer board and trace.
Who is this for?
Carpenters, finish carpenters, deck builders, renovation contractors, and DIY homeowners building porch steps, deck stairs, or interior staircases.
How much does it cost?
3-day free trial, then $1.99/week, $4.99/month, $29.99/year, or $79.99 lifetime.
Terms of Use: https://taxlite.net/stair_stringer/terms.html
Privacy Policy: https://taxlite.net/stair_stringer/privacy.html