Heavy Duty and Big Gaming Chairs in Australia: Weight Limits Explained

A rating is a ceiling. Many buyers read it as a target, and then wonder why a chair feels worn after a year.

If you are bigger or heavier than average, the weight rating is the first thing you check. It isn't the last. Seat size, how the chair feels at your height, and how far you sit from the limit all matter too.

This guide explains weight limits for gaming chairs in Australia. It lists the stated ratings for every chair Xallking sells, an ergonomic gaming chair brand run by Sihoo Australia out of Sydney. It also says plainly when you need a different kind of chair. We would rather tell you that than sell you the wrong one.

Quick answer: Xallking lists weight ratings of 136 kg for the X5C and 150 kg for the X5 Pro, X5F, X5S and X3 Pro. A common rule of thumb from one office furniture retailer is to choose a chair rated at least 25 percent above your weight. On that rule, a 150 kg rating suits users up to about 120 kg. If you weigh more than 150 kg, none of our chairs is the right choice, and you need a chair built for it.

What a Gaming Chair Weight Rating Really Means

A rating is the most weight the maker recommends. It isn't the weight at which the chair is happiest.

Recommended, Not Guaranteed

Xallking's product pages use the phrase "max recommended weight". That is a maker's guidance, and it does not tell you how the chair was tested. We do not publish a test method for the figure, so we describe it as a recommendation and nothing stronger. That wording matters, because a recommendation is guidance, while a rated load is a test result.

The 25 Percent Headroom Rule

One US office furniture retailer, officefurniture2go, sizes chairs with an "80 percent load rule". It picks a chair rated at least 25 percent above the user's weight, so the chair never runs at its limit. This is a practitioner's rule of thumb, not an Australian standard. We include it because it is simple and cautious.

Apply it by dividing the rating by 1.25. A 150 kg rating gives 120 kg. A 136 kg rating gives about 109 kg. If you're above those numbers, the rule says to look at a higher rating.

What Australian Testing Guidance Says

Furntech, the trading name of the Australasian Furnishing Research and Development Institute (AFRDI), publishes recommended chair loadings (April 2025). It names AS/NZS 4438 as the standard for height-adjustable swivel chairs. It recommends heavy commercial chairs for users up to 110 kg, and it marks that figure as inferred, not stated in the standard.

Furntech also lists rated models. Height-adjustable chairs tested to AFRDI 142 are rated for 135, 160 or 185 kg. Fixed-height chairs tested to AFRDI 151 follow the same tiers, and a bariatric option under AFRDI 151 is rated to 300 kg.

Where a Gaming Chair Rating Sits

A 150 kg gaming chair rating falls between the 135 and 160 kg office tiers. But a tier means a test lab loaded the chair to that mass under the standard. Xallking's pages give a recommended weight and name no test standard, so treat the figure as the maker's guidance.

Your weight passes down through the seat, the gas lift, the base and the castors to the floor, so a chair is only as strong as its weakest part. That is why a single number on a box can't tell the whole story.

A Worked Example

Say you weigh 105 kg. Multiply by 1.25 and you get about 131 kg. A chair rated at 136 kg clears that mark narrowly, and a chair rated at 150 kg clears it with room to spare. Now say you weigh 125 kg. Multiplying gives about 156 kg, which is above every Xallking rating, so the rule points you to a chair with a higher rated load. Do the sum with your own weight before you shop. Weigh yourself in the clothes you game in, and round up rather than down. A rule that leaves a margin is only useful if the starting number is honest.

Xallking Chairs and Their Weight Ratings in Australia

These figures come from the Xallking product pages, retrieved on 8 October 2026. Every chair we sell to Australian buyers is listed for users from 150 to 190 cm.

The X5 Pro and X3 Pro are our higher-spec chairs and carry the 150 kg rating. The X5F and X5S carry the same figure. The X5C is the exception at 136 kg.

What We Do Not Publish

Our product pages don't state the base material, the caster rating or the gas lift class. So we cannot tell you those details here. If they matter to your decision, ask us before you buy. Do not assume a gaming chair has a bariatric frame. None of ours is sold as one.

When Our Chairs Are Not the Answer

If you weigh more than 150 kg, none of the Xallking chairs is rated for you. In that case, look for a chair sold as bariatric, with a clear rated load that's well above your weight. The retailer we cited above puts users in the range of 300 to 500 lb, or roughly 136 to 227 kg, in that category.

Seat Size and Fit for Bigger Bodies

Weight is only one measure of a big body. Height, hip width and leg length matter just as much. A chair can carry you and still not fit you.

Seat Width and Depth

The X5S lists a seat width of 50.5 cm and a seat depth of 42.5 to 46.5 cm. The X5 Pro lists a width of 51 cm and a depth of 42 to 46 cm. The X3 Pro lists a depth of 39.5 to 46 cm. Compare those with your own hips and thighs. Every Xallking chair lists a seat width of 50.5 to 51 cm. Measure your hips while sitting, and remember that a seat narrower than your hips will press on your thighs. You should be able to sit back fully with a gap behind your knee.

The Two Finger Check

UNSW Sydney advises two or three finger spaces behind the knee. If the seat is too deep, it presses on the back of your knee. If it's too short, your thighs lack support. Measure your own leg, and then look at the depth range.

Taller Players

Every Xallking chair is listed for users up to 190 cm. The X3 Pro has the highest seat range, at 49 to 56 cm, so it suits taller players who need a higher seat to keep their feet flat. Our desk and chair setup guide shows how to match the seat to your desk.

See the gaming desk and chair setup guide for the four step match, and the six-variable checklist for judging fit before you buy.

Heavy Duty Gaming Chair or Heavy Duty Office Chair?

Many Australian buyers searching for a heavy duty desk chair do not need a gaming chair at all, and Xallking is happy to say so. Our gaming chair versus office chair comparison sets out the differences. Furntech lists office chairs tested to rated loads of 135, 160 and 185 kg. Xallking's pages state a recommended weight and no test class, so the two numbers are not directly comparable.

So choose by the number, not the label. A gaming chair with a 150 kg rating and a good fit may suit you better than an office chair that's rated higher but too deep. And an office chair with a clear rating well above your weight may suit you better than a gaming chair at its limit.

Size Is Also About Room to Move

A good fit leaves space between your hips and the armrests, and between the back of your knee and the seat edge. Sit in it in the clothes and shoes you normally wear before you judge the fit. If you feel squeezed in the shop or on day one, the chair will feel worse after three hours. The 30-day returns exist for exactly this, so use them if the fit is off.

Questions to Ask Any Seller

Ask what the rating means, how it was tested, and whether a standard such as AS/NZS 4438 applies. Furntech names that standard for height-adjustable swivel chairs. Ask what the base and casters are made of. Ask about the warranty on the lumbar and recline parts, and whether it covers heavier users. Xallking's three-year warranty names the frame, seat and backrest panels, armrests, gas lift, recline and tilt mechanisms, lumbar support components and base. A seller who cannot answer these questions has told you something.

If you have back pain, read our guide to the best gaming chair for back pain. Healthdirect Australia says to see your doctor if back pain has not improved after about six weeks. We can help with the chair. The pain itself is a job for a doctor.

The Bottom Line

Read the rating as a ceiling and leave headroom. On the 25 percent rule, a 150 kg rating suits users up to about 120 kg, and a 136 kg rating suits users up to about 109 kg. Check seat width and depth against your own body.

So measure yourself, run the checks, and use the 30-day returns if a chair does not fit. If you are above 150 kg,

Built for the long haul.

Sources Referenced

1. Xallking Australia product pages, retrieved 8 October 2026: X5C 136 kg; X5 Pro, X5F, X5S and X3 Pro 150 kg ("max recommended weight"); X5S seat width 50.5 cm, depth 42.5 to 46.5 cm; X5 Pro width 51 cm, depth 42 to 46 cm; X3 Pro depth 39.5 to 46 cm; seat heights as tabled; users 150 to 190 cm; 3-year warranty; 30-day returns; free Australia-wide shipping on eligible orders.

1b. Furntech. Recommended Chair Loadings (April 2025): AS/NZS 4438 height-adjustable swivel chairs, heavy commercial recommended to 110 kg (inferred, not stated in the standard), AFRDI 142 rated models 135, 160 and 185 kg, AFRDI 151 fixed-height tiers and 300 kg bariatric option. furntech.org.au. Retrieved 9 October 2026.

2. officefurniture2go. Ergonomic chair weight capacity guide: 80 percent load rule (chair rated at least 25 percent above user weight), standard commercial range to 300 lb, bariatric 300 to 500 lb. A US retailer's guidance, not a standard. Retrieved 8 October 2026.

3. UNSW Sydney. HS705 Guide to setting up your workstation: 2 to 3 finger spaces behind the knee. Retrieved 8 October 2026.

4. Healthdirect Australia. Back pain: when to seek help. healthdirect.gov.au/back-pain. Retrieved 8 October 2026.

5. Google Search Console export for xallking.com.au, 2 October 2026.