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Office Chair Specifications: Height & Size Standards Explained

Admin November 04, 2026

The height and size standards in office chair specifications typically cover aspects such as seat height, seat dimensions, backrest height, armrest height and adjustment, overall dimensions, and special designs, with specific data varying by model.

Seat Height: The common adjustable seat height range is 41.5-55.0 cm. For example, one model indicates a seat height of 46-55.0 cm, while another model has a minimum floor-to-seat-top height of 46 cm and a maximum of 51 cm. The adjustable design meets the needs of users of different heights, ensuring natural leg bending and reducing fatigue from prolonged sitting.

Seat Dimensions: The seat width (left-to-right) varies by chair type. One model is marked as 52 cm, another model has a width of 76 cm for chair type I and 66.5 cm for chair types II/III. The effective seat depth (front-to-back) ranges from 46-51 cm, with some models supporting a 6 cm depth adjustment that can be locked in 6 positions to accommodate users of different body types and provide comfortable leg support.

Backrest Height: The backrest height (measured from the top of the seat) ranges from a minimum of 75 cm to a maximum of 78 cm. High-end models may offer a wider range, such as 85.5-95.5 cm (for high-back chair types), meeting the back support needs of users of different heights. High-back chair types also provide additional neck support.

Armrest Height and Adjustment: The armrest height (measured from the top of the seat) ranges from a minimum of 20 cm to a maximum of 27 cm. Some models support a 5-step, 6.5 cm height adjustment and a 22ยฐ bidirectional rotation, allowing users to adjust according to the natural placement of their arms. The internal armrest width (left-to-right spacing) ranges from a minimum of 47 cm to a maximum of 56 cm, ensuring comfortable arm placement.

Overall Dimensions: The total chair height ranges from a minimum of 122 cm to a maximum of 134 cm; the total width ranges from a minimum of 68 cm to a maximum of 75 cm; and the total depth (front-to-back) is 68 cm. These dimensions affect the chair's footprint in the office space and user comfort.

Special Designs: Some models feature 360ยฐ rotation, single-point control, tilt tension adjustment, and 4-position locking functions, with a seat-to-back tilt ratio of 1:2 (11ยฐ seat tilt/22ยฐ backrest tilt), providing a flexible user experience. High-end models may be equipped with headrest height adjustment (3 cm), lumbar support height (6 cm), and depth adjustment functions, further enhancing comfort and support.