Approximate Size of Office Chairs
The dimensions of office chairs vary depending on the style and design, but generally cover the following ranges: seat height 35 - 48 cm, seat depth 40 - 45 cm, backrest height 41 - 42 cm, backrest width 40 - 42 cm, fixed seat size 40 - 45 cm, and adjustable seat size range 38 - 48 cm.

Seat Height
Seat height refers to the vertical distance from the ground to the seat surface. Generally, the seat height of office chairs is between 35 - 45 cm. However, for some adjustable office chairs, the seat height adjustment range can reach 38 - 48 cm. An appropriate seat height ensures that the user's feet can rest flat on the ground, with the thighs parallel to the ground and the knees bent at approximately 90 degrees. This helps reduce leg pressure, promote blood circulation, and prevents fatigue even after prolonged use.
Seat Depth
Seat depth is the horizontal distance from the front edge of the seat to the front edge of the backrest, usually between 40 - 45 cm. An appropriate seat depth allows the user's buttocks to be fully supported while the back can naturally lean against the backrest. If the seat depth is too small, the buttocks cannot fully sit on the chair, making the user feel cramped; if the seat depth is too large, the waist will not receive effective support, which can easily lead to waist discomfort.
Backrest Dimensions
The backrest height is generally around 41 - 42 cm, providing basic support for the user's waist and back. The backrest width is usually around 40 - 42 cm, and an appropriate backrest width allows the user's back to have enough space to lean on, increasing comfort.
Seat Size
The seat size of fixed-style office chairs is generally between 40 and 45 cm, suitable for most body types. However, to meet the needs of different users, it is best to choose adjustable office chairs, with a seat size adjustment range between 38 and 48 cm. Users can adjust according to their own body types and sitting habits to obtain a more comfortable sitting experience.




