About Stair-Tech

Stair-Tech is a free online platform providing professional-grade staircase calculators for builders, architects, and DIY enthusiasts worldwide.

Our calculators use real-time 3D visualization powered by WebGL technology. This means you can see your staircase design from every angle, experiment with materials and configurations, and get accurate dimensions — all in your browser.

We support four major staircase types: straight, L-shaped (90° turn), U-shaped (180° turn), and double-turn configurations. Each calculator includes comprehensive parameter controls for fine-tuning every aspect of your design.

The platform is built by staircase manufacturing professionals who understand the real-world requirements of stair construction. Every calculation follows engineering standards and building code guidelines.