1m2 Stairs Dimensions ✦

To visualize this: a standard sheet of plywood is roughly 1.2m x 2.4m. A 1m² staircase footprint is less than half the width of that sheet. This is incredibly compact compared to a standard straight staircase, which typically requires a footprint of roughly 3m² to 4m² (including the landing).

A "1m2 staircase" typically refers to a designed to fit within a floor opening as small as (or 1m2 stairs dimensions

A 100 cm diameter spiral (exactly 1m²) works for attic stairs or emergency egress, but not for a main home staircase. Most architects round up to 120 cm diameter. To visualize this: a standard sheet of plywood is roughly 1