Stair Calculator
Rise, run, stringer length, and tread layout. Get stair calculations right every time.
BoardCalc
A professional construction calculator for contractors and carpenters
BoardCalc puts stair, roof, board feet, H/V framing, and arc calculations at your fingertips. Fast input screens and clear results built for the job site.
Free to start. No clutter. Built for the field.
Roof & Rafter Calculator
Hip roof, common rafter, and pitch calculations for framing and layout.
Board Feet & H/V Tools
Board feet estimator, H/V framing, arc calcs, and more for everyday trade work.
Ready to try BoardCalc?
Download free and use it on your next job. Stair, roof, and framing calculations in one app.