What You Need to Know Before You Buy: Office Chairs

What You Need to Know Before You Buy: Office Chairs

Buying an office chair — or chairs for an entire office — isn't as easy as it looks. Every person has unique ergonomic needs, and with so many office chair choices, a one-size-fits-all approach rarely works. Our team compiled the tips below to make the decision simpler, whether you're buying for yourself or for a whole team.

In short: before you buy an office chair, make sure it adjusts to your body (seat height, seat depth, lumbar support, and armrests), suits the type of work you do, holds your weight comfortably, and is the right size for your frame. Then test it before you commit — how a chair feels after an hour matters more than how it looks on a spec sheet.

Key takeaways

  • Test a chair before buying: it should support the curve of your spine while your feet rest flat on the floor.
  • Seat height, seat depth, and adjustable lumbar support matter most; armrests, tilt, and material come next.
  • Match the chair to your work — collaborative, multi-screen work needs easy swivel and smooth casters.
  • For offices, offer two or three vetted chair options instead of one model for everyone.
  • Replace a worn-out chair promptly; accessories can't fix a broken mechanism or collapsed foam.

This office chair buying guide covers the practical questions. For a deeper look at features, sizing, and chair types, see our complete guide to finding the right office chair.

What Should You Look For in an Office Chair?

Look for adjustable seat height, adjustable seat depth, and lumbar support that adjusts in height and depth — those three features do most of the ergonomic work. After that, check armrests, tilt mechanism, material, base and casters, weight capacity, and warranty.

Feature What to check Why it matters
Seat height Feet flat on the floor with knees about level with hips Prevents dangling feet and pressure under the thighs
Seat depth Two to three finger widths between seat edge and the back of your knee Lets you use the backrest without the seat edge pressing your legs
Lumbar support Adjusts in height and depth Lumbar curves sit at different heights on different people
Armrests Adjust in height and width Supports the forearms without hunching the shoulders
Tilt mechanism Multi-tilt or synchro-tilt with tension control Encourages movement instead of static sitting
Material Breathable mesh or quality upholstery Comfort over long hours; mesh runs cooler
Base and casters Stable five-star base; casters suited to your floor Easy, safe movement between tasks
Weight capacity and size Rated above your weight; offered in sizes if you're petite or tall One standard size can't fit every body

Why Should You Test a Chair Before You Buy?

Because every person has slightly different needs, the only reliable way to know if a chair fits is to sit in it. See how you feel in the chair: it should support the curve of your spine while letting you rest your feet flat on the floor.

Give it more than a quick bounce in a showroom. Adjust the seat height, slide the seat depth, and set the lumbar support, then sit and work for a while. A chair that feels plush in the first five minutes can feel very different by mid-afternoon. If you aren't sure how to set each control, follow a step-by-step chair adjustment guide while you test.

How Does Your Type of Work Affect Your Chair Choice?

The work you do in the chair should shape what you buy. If you do mostly solitary work on one screen, you need less mobility. If you do collaborative work or swivel from screen to screen, you'll need a chair that turns easily and rolls smoothly on your floor.

Hours matter too. Someone sitting a full day needs more adjustability and a more breathable seat than someone who sits for short stretches between meetings. If you split your day between sitting and standing, a saddle or perch-style seat can complement a standard task chair at a standing desk.

Should You Prioritize Ergonomics Over Price?

Yes — within your budget, prioritize fit and adjustability over looks or brand. A chair that supports your ergonomic health makes your day more enjoyable and helps you stay productive. A lower-quality chair might be fine for a few weeks or even a few months, but sooner or later you'll pay the price for not prioritizing your body's needs.

Premium chairs usually earn their price through more sizes, better mechanisms, and longer warranties. If you're weighing two well-known options, our comparison of how the tCentric compares to the Aeron shows how to judge features against your own priorities.

Why Doesn't One Chair Fit an Entire Office?

Height, type of work, and existing conditions all change the chair each employee needs, so a single model will leave some people poorly supported. Petite and tall employees, in particular, often can't get a neutral posture in a standard-size chair.

If personalized orders aren't possible for every employee, choose two or three office chairs that employees can pick from based on their needs — for example, a standard task chair, a model offered in petite and plus sizes, and a heavy-duty option. Employers planning a larger rollout can learn more about our ergonomic programs for corporations.

When Should You Replace Your Office Chair?

Replace your chair as soon as it wears out — when the cylinder no longer holds height, the tilt or lumbar controls stop working, or the foam has compressed so you sink to the frame. You don't want new aches and pains caused by an old chair.

Attachable back cushions and chair accessories can add support to a chair that's still sound, but they don't correct the root problem when the chair itself has failed. In some cases, stacking accessories on a worn-out chair can make your posture worse.

Recommended Products for Office Chair Buyers

ergoCentric tCentric Hybrid office chair with pneumatic air lumbar and mesh back

tCentric Hybrid with Air Lumbar

Best for: most users who want fine lumbar control

Premium hybrid chair with a mesh back, upholstered seat, adjustable pneumatic lumbar, and multi-tilt mechanism, in three sizes.

ergoCentric Centric ergonomic task chair with adjustable armrests for office teams

ergoCentric Centric Task Chair

Best for: offices standardizing on a reliable task chair

Modular, upgradeable task chair built on ergoCentric's clinical ergonomic research.

Office Master Paramount PT78 tall-back ergonomic task chair

Office Master PT78

Best for: value-minded buyers who want full adjustment

Tall-back task chair with adjustable lumbar support and seat depth at a value price point.

Sitmatic GoodFit custom ergonomic office chair configured to the user's measurements

Sitmatic GoodFit Custom

Best for: buyers who need a chair built to their body

One of the most configurable professional chairs available, engineered for a precise, body-specific fit.

Get a Custom Chair Fitting

Don't underestimate your office chair. Sitting in the correct position helps reduce the effects of prolonged sitting, and a well-constructed ergonomic chair should support that posture — but only if it fits you. That's why we recommend trying before you buy. Our team in Palo Alto offers custom chair fittings in our showroom and virtual assessments for buyers elsewhere; you can also contact our team with questions about a specific chair.

👉 Request an Ergonomic Evaluation | Browse Chairs & Seating

Frequently Asked Questions

What is the most important feature in an office chair?

Adjustability that fits your body — specifically seat height, seat depth, and lumbar support that adjusts in height and depth. Without those, other features like premium materials or headrests won't keep you in a neutral posture.

How do I know if an office chair fits me?

Sit all the way back with your feet flat on the floor. Your knees should be about level with your hips, two to three fingers should fit between the seat edge and the back of your knee, and the lumbar support should press gently into the curve of your lower back.

Is a mesh or upholstered office chair better?

Mesh is better if you run warm or sit for long hours, because it breathes and doesn't compress over time. Upholstered seats feel softer and warmer. Many ergonomic chairs combine a mesh back with an upholstered seat to get the benefits of both.

How often should office chairs be replaced?

Replace a chair when it stops doing its job — the height won't hold, controls fail, or the foam has flattened. A quality ergonomic chair typically lasts many years, and a long warranty is a good sign of build quality.

What's the best way to buy chairs for a whole office?

Offer a short list of two or three vetted chairs that cover different body sizes and needs, and let employees choose. Pair the rollout with fittings or a quick adjustment session so people actually use the features they've been given.

Photo by: istockphoto.com/SaevichMikalai

About the Author

Angela Maldonado writes for Ask Ergo Works, where our ergonomic specialists have been fitting chairs and workstations from our Palo Alto showroom for more than 30 years.