Furniture · Reference
A standard dining chair has a seat about 18 in (46 cm) high, 16–20 in (41–51 cm) wide and 15–18 in (38–46 cm) deep, with 10–12 in (25–30 cm) of clearance to the tabletop.
A dining chair is specified by seat height, seat width and seat depth; overall height is measured to the top of the backrest.
| Measurement | Typical range | Notes |
|---|---|---|
| Seat height | 18 in (46 cm) | Floor to seat top; range 17–20 in |
| Seat width | 16–20 in (41–51 cm) | 16 in minimum comfortable |
| Seat depth | 15–18 in (38–46 cm) | Front to back |
| Overall height | 32–34 in (81–86 cm) | Floor to top of backrest |
| Backrest height | 12–16 in (30–41 cm) | Measured from seat top |
| Guideline | Recommendation |
|---|---|
| Seat-to-tabletop clearance | 10–12 in (25–30 cm); 12 in (30 cm) minimum |
| Armchair clearance | 7 in (18 cm) between arm top and table underside |
| Width per person | 24–26 in (61–66 cm); 18 in (46 cm) minimum |
| Standard table height | 28–30 in (71–76 cm) |
| Measurement | Range |
|---|---|
| Seat height | 17–19 in (43–48 cm) |
| Seat width | 16–20 in (41–51 cm) |
| Seat depth | 16–18 in (41–46 cm) |
| Overall height | 34–38 in (86–97 cm) |
| Armrest height | 25–30 in (64–76 cm) from floor |
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The standard dining chair seat is about 18 in (46 cm) from the floor, with most chairs between 17 and 20 in (43–51 cm). That pairs with a standard 28–30 in (71–76 cm) table.
A standard dining chair seat is 16–20 in (41–51 cm) wide, with 16 in the comfortable minimum. Armchairs are wider at roughly 22–24 in (56–61 cm) to fit the arms.
Allow 10–12 in (25–30 cm) of clearance between the seat top and the underside of the tabletop — 12 in (30 cm) is the recommended minimum. Armchairs need about 7 in (18 cm) between the arm and the table underside.
Plan on 24–26 in (61–66 cm) of table edge per person for comfortable everyday dining, and never less than 18 in (46 cm) per seat.
Measured to the top of the backrest, a dining chair is usually 32–38 in (81–97 cm) tall, depending on back style. The backrest itself rises 12–20 in (30–51 cm) above the seat.
Every figure on this page is traced to a named source, linked under each table. Standard sizes come from published standards and established industry references; where a size is a typical range or varies by manufacturer, we say so. Sizes vary by region, model and revision — treat these as the standard reference, and confirm the exact spec of the item you are selling.
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