Ergonomics · Hardware

Door Lever / Handle Diameter

Recommended gripping surface diameter for door levers and cabinet pulls.

32–38 mm / 1.25–1.5 in

Description

A moderate diameter is easiest to grasp for the widest range of hand sizes and grip strength, including users with limited dexterity; lever-style (vs. round knob) operation is generally preferred.

Sources

  • ADA Standards for Accessible Design
  • Ergonomic hardware design guidelines

Tags

Values

Comfortable grip diameterRange
32–38 mm1.25–1.5 in