Stair Calculator: Run & Rise

Calculate stair rise, run, angle, steps, treads and risers with ease

Design and calculate stairs quickly and accurately with Stair Calculator: Run & Rise.

Whether you're a carpenter, contractor, builder, woodworker, or DIY enthusiast, this stair calculator helps you work out stair dimensions and explore different stair layouts with clear visual diagrams.

Calculate stair rise, run, tread depth, riser height, number of steps, stair angle, slope, and overall stair geometry from your project dimensions.

KEY FEATURES

• Stair calculator for rise and run
• Calculate riser height and tread depth
• Stair angle and slope calculator
• Calculate the number of steps
• Visual stair diagrams and geometry
• Explore multiple tread and riser layouts
• Compare stair layout options
• Comfort scoring and stair recommendations
• Material and rough framing estimates
• Save projects for later
• PDF and printable exports
• Blueprint-style stair plans
• Length and measurement unit converter
• Share your results with others

BUILT FOR REAL PROJECTS

Plan stairs for home improvement, remodeling, construction, woodworking, and DIY projects. Enter your available rise and run to quickly explore practical stair dimensions and see how the geometry changes.

CLEAR VISUAL RESULTS

Stair calculations can involve several measurements at once. Visual diagrams make it easier to understand the relationship between rise, run, tread, riser, slope, and stair angle before you start building.

PLAN WITH CONFIDENCE

Compare different stair configurations and review the calculated dimensions before choosing a layout for your project.

Stair Calculator: Run & Rise is a practical tool for anyone who needs to calculate or plan stair dimensions quickly.

Always verify your final stair design against applicable building codes, regulations, and professional requirements before construction.