KI Altus vs Humanscale World One
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$176
lower starting price for Humanscale World One than KI Altus at the brand stores
Differences at a glance
Sources
- Altus Seating Price List, KI ↗Checked Sep 29, 2026
- Humanscale World LM Spec Sheet ↗Checked Sep 29, 2026
- Altus Task Chair product page, KI ↗Checked Sep 29, 2026
- US Humanscale Store (price) ↗Checked Sep 29, 2026
KI AltusHumanscale World One
- Price
- $881 – $1,516$705
- Seat height
- 17–21.75 in (43.2–55.2 cm); 16.25–20.75 in (41.3–52.7 cm)15.6 in - 20.7 in / 397 mm - 527 mm; 16 in - 21 in / 425 mm - 545; 18.1 in - 25.6 in / 460 mm - 651 mm
- Seat depth
- 17.25–19.75 in (43.8–50.2 cm); 15.5–18 in (39.4–45.7 cm)16.4 / 416 in; 17.9 / 454 in
- Load capacity
- supports up to 400 pounds100–400 lb
- Arms
- Adjustable arms, fixed arms, or armlessArmrest Height 9.5 in Fixed / 7.2 in - 10.75 in Adjustable (241.3 mm / 183 mm - 273 mm); options Adjustable Duron Arms, Fixed Duron Arms, No Arms
- Lumbar support
- Mesh chair: optional adjustable lumbar (height and depth); fabric chair: automatic lumbar supportTri-panel back with Form Sensing Mesh technology provides tailor-made lumbar support (no knobs or levers)
- Warranty
- Lifetime12 Years, Component and Parts; 5 Years, Fabric/Cushions
Questions
Which is cheaper, the KI Altus or the Humanscale World One?
The Humanscale World One is cheaper to start: $705 versus $881 for the KI Altus at the brand stores (Sep 2026).
What do owners mention most?
Back support for the KI Altus, and breathability for the Humanscale World One, based on review summaries.
