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楼梯计算器

设计符合规范的楼梯：踏步级数与高度、踏面深度、总进深、梯梁长度和倾角，并实时对照 IRC R311.7 限值。

公式与数据最后核对于 — Cosyslabs

输入

Result

Risers
14
Riser height
7.71 in
Treads
13
Total run
130 in (10.8 ft)
Stringer length
14.1 ft
Stair angle
39.7°
Tread stock needed
39.0 linear ft
  • 2 × riser + tread = 25.4 in; the comfort rule targets 24–25 in.

Diagram

RiseRunTotal runTotal rise

Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.

公式

级数 = 四舍五入(总高 ÷ 目标踏高)   ·   踏面数 = 级数 − 1

参考资料

  1. IRC R311.7 — Stairways (riser, tread, and headroom limits)
  2. American Wood Council — Prescriptive Residential Deck Construction Guide (DCA 6)

Related tools & materials

Don't forget

  • 梯梁（2×12）
  • 踏面板
  • 立板
  • 扶手
  • 挂件
  • 结构螺丝

Also useful

常见问题

用总高度除以目标踏高并四舍五入取整，得到级数；再用总高度除以该级数，得到精确的每级高度。总高不变，可调的是级数。
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Cite this page

Cosyslabs. (2026). 楼梯计算器. Rough Estimator!. https://roughestimator.com/zh/stair-calculator

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