Trap Berekenen — Gratis online tool
Optrede, aantrede, stringerlengte voor elke trap
Bereken trapoptrede, aantrede, stringerlengte en hoek. Bouwvoorschrift-conform. Voor terras-, kelder- en binnentrappen.
📚 Meer weten
Free stair calculator
Calculate stair risers, run, stringer. Code-compliant rise/run ratio.
How to use this tool
- 1
Enter total rise
Floor-to-floor vertical height (inches or cm).
- 2
Enter run depth
Desired tread depth per step (typical: 10-11 in).
- 3
See step plan
Number of risers, riser height, stringer length.
Frequently Asked Questions
What is a safe rise/run ratio?
How to calculate stringer length
Belangrijkste punten
- Stair Rekenmachine is a free, browser-based calculator tool — rise, run, stringer length for any staircase.
- Nee signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Stair Rekenmachine
- Open the tool: Launch Stair Rekenmachine on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Stair Rekenmachine — Quick Facts
- Prijs
- Gratis — geen limieten, geen watermerk, geen paywall
- Privacy
- 100% in de browser — geen data verlaat je apparaat
- Platform
- Elke moderne browser — desktop, tablet of mobiel
- Categorie
- Rekenmachine Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Functie | Details |
|---|---|
| Tool | Stair Rekenmachine |
| Categorie | Rekenmachine |
| Aanmelden vereist | Nee |
| Bestand uploaden | Geen — verwerkt in browser |
| Mobiel ondersteund | Volledig responsive |
| Kosten | Voor altijd gratis |
Why Use Stair Rekenmachine?
You should try Stair Rekenmachine for a quick, private way to rise, run, stringer length for any staircase. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.