Seat Width Finder

Find the right seat width for your wheelchair.

Use this tool to estimate a typical seat width estimate. Seat width may vary by cushion thickness and accessories. Confirm on your wheelchair spec sheet or with your clinician/provider.

Seat width definition and measurement basics live here: Seat Width Explained.

Conceptual wheelchair diagram showing seat width measured inside-to-inside across the usable sitting area. — Conceptual diagram illustrating seat width measured inside-to-inside across the usable sitting area. Definitions live on the measurement hubs.

This estimate does not tell you: doorway fit, hallway clearance, or vehicle fit.
Buttons: Overall Width Explained + Doorway + Vehicle Clearance Checker

How to Measure Seat Width

Blue measuring tape icon on a white background.

New to wheelchair sizing? Start here

Proper Fit and Posture
Common Wheelchair Options
Adjustments and Customization
Safety Considerations

Sources

Sources below focus on wheelchair fit measurements and clinical/rehab guidance:

Invacare/Küschall — Measuring the Wheelchair User (Measuring Guide) (PDF)
Academy of Neurologic Physical Therapy (APTA Neuro Section) – Wheelchair Fitting and Measurement Guide (Part 1) (PDF)
Paralyzed Veterans of America Education Foundation project – A Clinical Application Guide to Standardized Wheelchair Seating Measures (PDF)
University of Colorado Denver (CIDE) – Wheelchair Seating Measures Guide (landing page + downloadable guide)
RESNA – Wheelchair and Related Seating Standards (standards overview page)

Last reviewed: January 2026

Seat Width Finder

Find the right seat width for your wheelchair.

How to Measure Seat Width

Measuring Tips

Seat Width Explained

Check Fit Guide (Doorways & Clearance)

Sources