Dimensions / Furniture / Sofas / 3-seater
A standard three-seater is 180–230 cm (71–90 in) long, about 210 cm (83 in) on average, 85–95 cm deep and 75–90 cm tall. Many are longer than a door is tall, which decides how it is carried in.
| Length | Depth | Height |
|---|---|---|
| 180–230cm71–90 in | 85–95cm33–37 in | 75–90cm30–35 in |
Sources: Castlery. Checked October 2026.
Enter the sofa and your doorway, hall and wall. The second check is the one that catches three-seaters out: once it is longer than the doorway is tall, the hall has to be long enough to swing it in.
All in centimetres. 1 in = 2.54 cm.
Tilted back, it needs 80 cm of width. Your doorway is 91 cm wide, so there is 11 cm to spare.
Tilted onto its back, the sofa’s diagonal depth is what has to pass between the door jambs. Take the cushions out first.
At 200 cm it can stand on end under your 203 cm doorway.
Compare the length with the door height and with the hall in front of the door. A 210 cm sofa will not stand on end under a 203 cm door.
It takes 200 cm of your 300 cm wall and leaves 100 cm.
The footprint only; keep a walkway along the open side.
Planning the delivery route? Photograph the front door and hallway, mark the widths in SizeMarker and send them to the shop before the van arrives.
Mark a photoOverall length, depth and height. Retailers publish different ranges for the same type.
| Type | Length | Depth | Height |
|---|---|---|---|
| 3-seater sofaThis page | 180–230 cm71–90 in | 85–95 cm33–37 in | 75–90 cm30–35 in |
| 3-seater, longer rangeRaymour & Flanigan | 183–244 cm72–96 in | 76–97 cm30–38 in | 76–91 cm30–36 in |
| Loveseat | 140–180 cm55–71 in | 85–95 cm33–37 in | 75–90 cm30–35 in |
| Large sofa (4-seater) | 230–300 cm90–118 in | 85–95 cm33–37 in | 75–90 cm30–35 in |
Sources: Castlery · Raymour & Flanigan
The numbers that come up once the sofa is in the room.
| Measurement | Size |
|---|---|
| Average three-seater | 210 cm83 in |
| Compact three-seater for a small roomListed in the same range as two-seaters | 140–180 cm55–71 in |
| Deep-seat sofa, overall depth | 100 cm or more39 in or more |
| Seat height | 43–48 cm17–19 in |
| Seat depth | 51–61 cm20–24 in |
| Walkway | 75–90 cm30–35 in |
| Sofa to coffee table | 40–50 cm16–20 in |
Sources: Castlery · Raymour & Flanigan
Door leaf sizes; the clear opening is a little smaller once the door is hung.
| Door | Width × height |
|---|---|
| US interior door | 81 × 203 cm32 × 80 in |
| US front doorWider so furniture can get in | 91 × 203 cm36 × 80 in |
| UK internal doorEngland and Wales | 76 × 198 cm762 × 1981 mm |
Sources: Bob Vila · Express Doors Direct
180–230 cm (71–90 in), and about 210 cm (83 in) on average. Raymour & Flanigan’s range runs a little longer, up to 96 in (244 cm).
Check two things. Its diagonal depth has to be less than the door’s width. And a three-seater is often longer than a door is tall, 203 cm (80 in) in the US and 198 cm in the UK, so it may not stand on end: then the hall in front of the door has to be longer than the sofa so it can swing in.
Not necessarily. Castlery lists a compact three-seater alongside two-seaters for small living rooms, in the same 140–180 cm (55–71 in) range.
It is the most versatile range: it seats three comfortably without overwhelming a standard living room.
Most are 85–95 cm (33–37 in) deep overall, and deep-seat models 100 cm (39 in) or more. The seat itself is 51–61 cm (20–24 in) from the front edge to the back cushion.
Delivery questions come before comfort questions on a three-seater: overall length, diagonal depth, whether the legs come off. Put those numbers on your own sofa photo in SizeMarker, as in the picture at the top, and send buyers a product card they can open on WhatsApp or WeChat.
