Ergonomics · Hardware
Door Lever / Handle Diameter
Recommended gripping surface diameter for door levers and cabinet pulls.
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