# StairCalc Pro Stair Case Calculator in Excel

'Excel construction spreadsheets by ConstructionCalcStaircase Calculator in ExcelUS\$94.00 This staircase calculator is created for the construction / industrial professional. The powerful, yet simple program has all the features of StairCalc-Basic, plus it handles circular or spiral stairs â€“ and straight-run stairs up to 500 steps and 200 landings!Great for stairs constructed of wood, steel, or concrete.Two separate programs in one: Straight-run stairs up to 500 steps and 200 landings; and Circular or Spiral stairs up to 500 steps. One click toggle between them.Input precision to 64thâ€™s of an inch.Circular stairs output includes:â€¢ Rise calculation to fit vertically within your floor-to-floor elevations.â€¢ Typical tread dimensions: inside and outside widths and arc lengths calculated for you.â€¢ True length of curved stair jacks â€“ both inside and outside.â€¢ Headroom to ceiling, and headroom to stair tread above for spiral stairs.â€¢ Overall interior (horizontal) angle of the stairs.â€¢ Number of revolutions of spiral stairs.â€¢ Vertical angle and pitch of stairs at inside and at outside.â€¢ Tread width calculation at 12-inches from inside of tread (code requirement for spiral stairs).Simple input in Feet-Inches format.Handles fractions and decimals with ease.Calculates number of risers and treads automatically.At any step, instantly calculates:â€¢ Headroom (if it is a concern)â€¢ Horizontal distance from first step (straight-run calculator only).â€¢ Elevation of that treadâ€¢ True length of the stair jack(s).Calculates the angle of the stairs, both in degrees and in pitch (x:12).Loaded with on-the-fly help to remind you of Code-Specific rules, such as maximum rise and run, minimum headroom, maximum distance between landings, and much more.Includes a built-in Feet-Inches Calculator.Includes a built-in Decimal to Fraction Converter and Table of Common Fractions.Never again wrangle with complicated stairs calculations â€“ or stairs that donâ€™t fit. If you design or build stairs, this program is a must!

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