Sofa Dimensions: Standard Couch, Loveseat, Sectional and Sleeper Sizes
Sizes for every common sofa type, the seat measurements that decide comfort, and the checks that tell you whether a couch will fit your wall and get through your door.
A standard three-seat sofa is 72-90 in (183-229 cm) wide, 32-40 in (81-102 cm) deep and 30-36 in (76-91 cm) high, with a seat 17-19 in (43-48 cm) off the floor. The most common width is about 84 in (213 cm, 7 ft). A loveseat is 52-72 in (132-183 cm) wide.
- 3-seat width
- 72-90 in (183-229 cm)
- Depth
- 32-40 in (81-102 cm)
- Seat height
- 17-19 in (43-48 cm)
- Seat depth
- 20-24 in (51-61 cm)
On this page
Standard sofa dimensions by type
Sofas are sold by seat count, but the width that matters is the overall measurement including arms. Two 84 in sofas can offer very different seating space depending on how thick the arms are.
| Type | Width | Depth | Height | Seats |
|---|---|---|---|---|
| Loveseat | 52-72 in 132-183 cm | 32-40 in 81-102 cm | 30-36 in | 2 |
| Apartment sofa | 68-80 in 173-203 cm | 30-36 in 76-91 cm | 30-34 in | 2-3 |
| Standard sofa | 72-90 in 183-229 cm | 32-40 in 81-102 cm | 30-36 in 76-91 cm | 3 |
| Extra-long sofa | 90-108 in 229-274 cm | 34-42 in 86-107 cm | 30-36 in | 4 |
| Sofa with chaise | 80-100 in 203-254 cm | 60-70 in at chaise 152-178 cm | 30-36 in | 3-4 |
| Reclining sofa | 79-91 in 200-230 cm | 37-41 in closed 94-104 cm | 38-42 in | 2-3 |
| Full sleeper sofa | 72-80 in 183-203 cm | 34-40 in; about 85-90 in open | 32-36 in | 3 |
| Queen sleeper sofa | 80-90 in 203-229 cm | 36-40 in; about 88-95 in open | 32-36 in | 3 |
Height here is to the top of the back cushions. Low-profile modern sofas sit at 26-30 in, while traditional camelback and tufted styles can reach 36-38 in. A low back makes a sofa look smaller in a room, which is why apartment sofas often combine a short back with a narrow width.
Sofa sizes in cm (UK and Europe)
European and UK retailers name sofas by seats and list centimeters. The ranges overlap with US sizes, but European models tend to be shallower.
| Name | Width | Depth | US equivalent |
|---|---|---|---|
| 2-seater | 140-180 cm 55-71 in | 85-95 cm | Loveseat |
| 3-seater | 190-230 cm 75-91 in | 85-100 cm | Standard sofa |
| 4-seater | 230-270 cm 91-106 in | 90-105 cm | Extra-long sofa |
| Corner sofa | 220-300 × 160-250 cm | 85-100 cm per side | L-shaped sectional |
Seat measurements that decide comfort
Overall size tells you whether a sofa fits the room. These inner measurements tell you whether it suits the people using it, and they vary more between brands than overall width does.
- Seat depth vs leg length: with your back against the cushions, there should be 2-4 in between the seat edge and the back of your knees. People under about 5 ft 4 in usually find 20-21 in deep seats right; people over 6 ft are comfortable at 22-24 in.
- Seat height vs knees: at 17-19 in, most adults sit with thighs level. Seats under 16 in look sleek but are hard to get out of for older users. For them, an 18-20 in seat with firm cushions is easier.
- Arm width eats seat space: an 84 in sofa with 9 in rolled arms has 66 in of cushion; the same sofa with 4 in track arms has 76 in. That 10 in difference is the gap between seating two adults comfortably and seating three.
- Back height: a back that ends 14-16 in above the seat supports the lower and mid back. Head support needs 20 in or more above the seat, which only high-back sofas and recliners provide.
Sectional sofa dimensions
Sectionals are built from modules, so their size is given per side. The listed length of each side includes the corner piece.
| Configuration | Typical overall size | In cm | Seats |
|---|---|---|---|
| L-shaped, small | 80-94 × 60-80 in | 203-239 × 152-203 cm | 4 |
| L-shaped, standard | 94-120 × 80-100 in | 239-305 × 203-254 cm | 5-6 |
| Sofa with reversible chaise | 84-100 × 60-70 in | 213-254 × 152-178 cm | 3-4 |
| U-shaped | 110-140 × 70-100 in | 279-356 × 178-254 cm | 6-8 |
| Modular (per seat module) | 28-40 in wide each | 71-102 cm each | 1 per module |
"Left-arm facing" (LAF) and "right-arm facing" (RAF) describe which side the arm is on as you stand facing the sofa. Order the wrong one and the chaise ends up on the wrong side of the room, so check this against the floor plan rather than the photo.
The corner seat of an L-shaped sectional is the least comfortable spot, because knees collide with the person on the other leg. Plan seating counts on the straight runs only, and treat the corner as overflow.
Sleeper sofa sizes
Pull-out mattresses are shorter than regular bed mattresses. A queen sleeper mattress is usually about 60 × 72 in, while a standard queen bed is 60 × 80 in. Tall guests will notice the 8 in difference.
| Sleeper size | Sofa width | Mattress (approx.) | Length when open |
|---|---|---|---|
| Twin (chair or loveseat) | 50-62 in 127-157 cm | about 38 × 72 in | about 85-90 in |
| Full | 72-80 in 183-203 cm | about 52-54 × 72 in | about 85-90 in |
| Queen | 80-90 in 203-229 cm | about 58-60 × 72 in | about 88-95 in |
Measure the open length from the wall, not from the sofa front. A queen sleeper against a wall needs about 90 in (7.5 ft, 229 cm) of clear floor in front of the wall, plus a walkway beside the bed.
How to choose the right sofa size for a room
- Measure the wall. A sofa looks balanced at about two-thirds of the wall it stands against. On a 12 ft (144 in) wall that is roughly 96 in; on a 10 ft wall, about 80 in.
- Leave space at the ends. Keep at least 18 in free beside each arm if you want end tables or a lamp, and 30-36 in if the sofa end is on a walkway.
- Check the depth budget. Sofa depth plus 14-18 in to the coffee table plus the table depth plus a 30-36 in walkway must fit across the room. In a 10 ft (120 in) wide room, a 38 in sofa, 16 in gap and 24 in table leave 42 in, which is a comfortable walkway.
- Plan the rug and table together. The rug should extend at least 6-8 in past each sofa arm so the front legs can sit on it. See the rug size guide for standard sizes and the coffee table guide for the two-thirds rule.
- Mind the TV distance. A sofa facing a 65-inch TV sits comfortably about 6.5-8.5 ft from the screen (1.2-1.6 times the diagonal). The TV size guide lists distances by screen size.
Will the sofa fit through your door?
A sofa is carried on its back or end, so the numbers that matter are its depth, height and diagonal depth, not its length. A standard 32 in interior door has about 29-30 in of clear opening, and a 36 in front door about 33-34 in.
How to measure diagonal depth
- Lay a straight edge (a broom handle or yardstick) from the top of the back to the front edge of the arm, so it touches both.
- Measure from the back bottom corner of the frame up to the straight edge, at a right angle to it.
- Compare with the door. If that measurement is smaller than the clear width of the door, the sofa can pass through tilted back, even if its depth and height are both larger.
Example: a sofa 38 in deep and 34 in high will not pass a 30 in clear opening upright. If its diagonal depth is 28 in, it fits when tilted, with 2 in to spare. Many retailers publish diagonal depth on the spec sheet; if not, ask before ordering.
Check whether the legs unscrew (gains 3-6 in of height) and whether the back is removable. Sofas longer than about 80 in cannot be stood on end in a standard 80 in high doorway, so long sofas must go through on their back. Measure hallway corners and stair landings too: a turn is where most long sofas get stuck.
Sofa vs loveseat vs sectional: which size suits the space
Good for
- Loveseat (52-72 in): studios, rooms under 10 × 10 ft, or paired with a sofa at a right angle.
- Standard sofa (72-90 in): most living rooms from 11 × 12 ft upward; seats three.
- Sectional (94-120 in per side): rooms 12 × 14 ft and larger, open plans, family TV rooms.
Watch out for
- Sectionals block traffic on two sides; leave 30-36 in at the open end.
- Chaise ends add 25-35 in of depth on one side, which can cut into a doorway or walkway.
- Deep-seat sofas (40+ in) can make a 10 ft wide room feel cramped.
For single seats to pair with a sofa, see the armchair size guide and recliner dimensions. All the room-level spacing rules are collected in the furniture dimensions guide.
Frequently asked questions
What is the average size of a couch in feet?
About 7 ft long (84 in), 3 ft deep and just under 3 ft high. Loveseats are 4.5-6 ft long, and an L-shaped sectional is usually 8-10 ft on its long side.
How long is a sofa for 3 people?
At least 72 in (183 cm), which gives each person about 20-22 in of cushion after the arms. For three adults to sit without touching, look for 84-90 in (213-229 cm) overall with arms no wider than 6 in.
What size is a reclining sofa in cm?
A three-seat reclining sofa is typically 200-230 cm (79-91 in) wide and 95-105 cm (37-41 in) deep when closed. With the footrests out it reaches about 150-170 cm (59-67 in) front to back, so it needs that much floor plus wall clearance unless it is a wall-hugger design.
What size coffee table goes with an 84 in sofa?
About 56 in (142 cm) long, two-thirds of the sofa, set 14-18 in from the seat edge and 16-18 in high. The coffee table size guide has a full chart by sofa length.
How deep is a deep-seat sofa?
Deep-seat sofas are 40-48 in (102-122 cm) deep overall, with a seat depth of 24-30 in (61-76 cm) compared with 20-24 in on a standard sofa. They suit lounging and tall people; shorter people usually need back pillows to sit upright.
How big is an outdoor sofa?
Outdoor three-seat sofas are usually 72-84 in (183-213 cm) wide and 30-36 in (76-91 cm) deep, with a lower seat of about 14-17 in (36-43 cm) once the cushions are on. Outdoor loveseats run 50-60 in (127-152 cm).