OhMyCalc

Landing Size Calculator

Calculate the minimum landing length, width, and area for straight, L-shaped, and U-shaped stair landings.

How to Use the Landing Size Calculator

  1. Enter the stair width in millimetres.
  2. Select the landing type (straight, L-shaped, or U-shaped).
  3. Click Calculate to see minimum landing dimensions and area.

使用例

計算式

Minimum landing length ≥ stair width. L-shaped: length = 1.5 × width. U-shaped: length = width = 2 × stair width.

よくある質問

What is the minimum landing size?
The minimum landing depth and width must be at least equal to the stair width in most building codes.
Why are L-shaped landings larger?
L-shaped landings must accommodate the direction change, requiring 1.5× the stair width in the turn direction.
Is it free?
Yes, all calculators on OhMyCalc are completely free.