How We Rate Ergonomic Chairs

Every chair on ErgoChairs.in receives an Ergo Score from 0 to 100, computed entirely from manufacturer specifications. No opinions. No sponsorships. No "we sat in it for a week." Just data.

Example: A chair scoring 85/100

Adjustability35/40

Armrest, lumbar, headrest, tilt

Support25/30

Lumbar type, seat & back material

Build Quality25/30

Base, weight capacity, warranty

Total85/100

Why Deterministic Scoring?

Most review sites rate chairs based on subjective experience — "it felt supportive" or "we liked the build quality." That's fine for one reviewer's body type, but useless for yours. Our scoring uses the same formula for every chair, based on measurable specifications that matter for ergonomic support.

The Ergo Score answers: "How much ergonomic adjustability and support does this chair's hardware actually provide?"

The Three Pillars

The Ergo Score is the sum of three independently scored categories, each capped at its maximum. A perfect 100 means the chair maximises adjustability, support, and build quality across all measured specs.

1. Adjustability (0–40 points)

This measures how many ways you can customise the chair to your body. More adjustment axes mean you can fine-tune the fit — critical for preventing pain during long sessions.

Feature None Fixed 1D 2D 3D 4D
Armrest 0 5 15 25 35 40
Lumbar 0 10 20 (adj.)
Headrest 0 5 10 (adj.)
Tilt mechanism 0 5 (basic) 10 (synchro/multi-lock)

Sum of all four, capped at 40. A chair with 4D armrests alone hits the cap.

2. Support (0–30 points)

This evaluates how well the chair supports your body through material quality and lumbar design. Mesh scores highest because it conforms to body shape and promotes airflow — important for long sessions in Indian climates.

Feature None Leather Foam Mesh
Lumbar type 0 Fixed: 10 · Adjustable: 20
Seat material 5 8 10
Back material 5 8 10

Sum of all three, capped at 30.

3. Build Quality (0–30 points)

This measures durability and the manufacturer's confidence in their product. A chromium base, high weight capacity, and a 3+ year warranty indicate a chair built to last through years of daily use.

Feature Low Mid High
Base material Nylon: 5 Metal: 10 Chromium: 15
Weight capacity <100kg: 5 100–120kg: 10 >120kg: 15
Warranty 1yr: 5 2yr: 10 3yr+: 15

Sum of all three, capped at 30. A chair with 0yr warranty scores 0 for that row.

What the Score Means

80–100

Excellent

Full adjustability, premium materials, long warranty

50–79

Good

Solid ergonomics with some trade-offs

0–49

Basic

Limited adjustability, basic materials, short warranty

What the Score Does NOT Measure

Where Do the Specs Come From?

We extract specifications from Amazon.in product listings, manufacturer websites, and product packaging details. Every spec is documented in our enrichment logs with source URLs. When a spec is not available from any source, we display "Not specified by manufacturer" — we never guess.

Can a Chair Score 100?

Yes. A chair scores 100/100 if it has: 4D armrests (or equivalent adjustability sum hitting the 40 cap), adjustable lumbar with mesh seat and back, and a chromium base with 120kg+ capacity and 3+ year warranty. Several chairs in our database achieve this. It means the hardware is fully spec'd — not that it's the "best chair ever made."

Have questions about our methodology? hello@ergochairs.in