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.

Cas d'utilisation

Formule

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

Questions fréquemment posées

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.