Stair Calculator
Estimate risers, treads, stringers and materials for straight, L-shaped, U-shaped, winder, spiral, curved, cantilever or split stairs — with cost.
Straight Stair Settings
LIVE CALCULATION
Total Steps
1
steps · risers to build
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Project Summary
Materials
Cost Estimate
Estimated Total-
Calculation Assumptions
Style-
Rise-
Tread-
Run-
Angle-
Pricing BasisNot specified
Step counts follow a 7 in target riser, rounded to equal steps. Verify riser height, tread depth, headroom, and handrail requirements against local building codes.
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