Guides / How much weight can a monitor arm hold? (and our safety factor)
Guide
How much weight can a monitor arm hold? (and our safety factor)
"Holds up to 9 kg" sounds simple, but a monitor arm has a range, not a single number — and a panel that's too light is a problem too. Here's how we read ratings, and the margin we apply so a "fits" actually holds.
Our rule: rated ≥ weight × 1.2
For a clean "fits", we require the arm's rated load to be at least your panel weight times 1.2. Gas-spring ratings can be optimistic, and a panel loaded near the max tends to droop over months. The 1.2× buffer is a single, disclosed constant we apply to every verdict. If your monitor is within the rating but under that buffer, we call it borderline — it'll work, but pick an arm with headroom.
Too light is also a fail
Gas-spring arms have a minimum too. Hang a panel lighter than the minimum and the spring pushes it up — it won't stay where you set it. Match your weight to the arm's range, both ends.
How we classify arms
With no arm inventory yet, our checker compares your monitor to typical classes of arm, then tells you which class (and rating) you need. These are representative ranges, not a specific product:
| Class | Typical rated load | VESA | Good for |
|---|---|---|---|
| Standard single gas-spring | 2–8 kg | 75, 100 | most 24–32" panels |
| Heavy-duty / ultrawide | 3–15 kg | 75, 100, 200 | 34" ultrawide, curved, heavier 32" |
| Dual arm (per arm) | 2–8 kg each | 75, 100 | two-monitor setups |
When we stock specific arms, the checker will compare against that arm's own rated figures instead of the class range.
FAQ
How do I know if a monitor arm can hold my monitor?
Take your panel weight without the stand, multiply by 1.2, and make sure the arm's rated load is at least that. If the arm's rating is below your panel weight, it won't hold; between the two, it's borderline.
Why does my monitor float up on the arm?
The panel is lighter than the gas spring's minimum, so the spring overpowers it. Either tension the spring down if adjustable, or use an arm whose minimum rating suits a light panel.
Why do you apply a 1.2x safety factor?
Because gas-spring ratings can be optimistic and monitors loaded near the maximum tend to sag over time. Requiring rated load >= weight x 1.2 keeps a margin so a 'fits' stays put.