DIY
Staircase Calculator
Calculate stair rise, run, and number of steps from floor-to-floor height. Code compliant. Free calculator.
In this article
Indian Standard
Riser: 15-18 cm। Tread: 25-30 cm। Width: 90+ cm। Steps = floor height / riser। 300 cm / 17 = ~18 steps। NBC (National Building Code): minimum width 75 cm residential।
Materials
RCC structure + granite/marble treads: Indian standard। Wooden: rare (termites!)। SS railing: ₹400-800/ft।
⚡ CalcWolf Insight
Inconsistent riser heights are the leading cause of stair falls. Building code limits variation to 3/8 inch because even tiny inconsistencies trip people — your foot expects every step to be identical.
Frequently asked questions
Steps for 10 ft?▾
300 cm / 17 = ~18 steps।
Handrail?▾
SS railing: ₹400-800/ft। Glass: ₹800-1,500/ft।
✓ Math logic verified against primary sources
→ See our verification process