Will my couch fit through the door?
Measure the door's clear opening, then compare it with the sofa's height and depth. If the smaller of those two is less than the clear opening, the sofa goes through on its side. A 36-inch door often gives only 33 to 34 inches once trim and hinges are accounted for.
Measure the opening, not the door
Clear opening is the gap left when the door is fully swung back: the space between the open door slab and the opposite frame. It is always less than the door's nominal size, because trim, stops and the slab itself eat into it. A door sold as 36 inches commonly leaves 33 to 34 inches of usable clearance.
- Open the door fully.
- Measure from the face of the door slab to the opposite stop, at the narrowest point.
- Measure the height of the opening the same way.
Taking the door off its hinges buys back about 1.5 to 2 inches, and takes roughly five minutes. That is often exactly the margin you need.
Measure the sofa properly
Four numbers, from the manufacturer's spec sheet or a tape measure:
- Width — arm to arm, the long dimension.
- Depth — front to back, including any rolled arm that sticks out.
- Height — floor to the top of the back.
- Diagonal depth — a straight line from the highest point of the back down to the front of the seat. This is the one people miss, and the one that decides awkward cases, because it is the dimension that passes the frame when the sofa is tilted.
The rule
A sofa goes through a doorway on its side, back first. So the test is:
min(sofa height, sofa depth) < clear opening width
If the smaller of those two fits the opening, the sofa gets through. Revel Sofa's guide puts the same thing in retail terms: standard sofas with 28 to 32 inch arm heights want about 32 inches of clear opening, and oversized pieces at 33 to 36 inches want 34 or more.
| Doorway | Typical clear opening | What usually passes |
|---|---|---|
| Interior, 30 in nominal | ~28 in | Loveseats and apartment sofas |
| Interior, 32 in nominal | ~30 in | Most standard sofas, tilted on their side |
| Entry, 36 in nominal | 33 – 34 in | Nearly everything except deep sectionals |
| Double doors | 60 in and up | Sectional pieces without disassembly |
Worked example: a deep sofa through a front door
A sofa 38 inches deep and 34 inches tall, going through a 36-inch entry door.
- The clear opening is 33 to 34 inches, not 36, once trim and the slab are counted.
- The smaller sofa dimension is its 34-inch height, so on its side it needs all 34 inches. That is zero margin, and zero margin fails.
- Take the door off its hinges: the opening becomes about 36 inches, leaving 2 inches of working room.
Two inches is the difference between a five-minute job and a scraped door frame. This is the most common near-miss, and the reason the first instruction in every delivery guide is to remove the door.
The corner is harder than the door
Most sofas that fail, fail in the hallway rather than the doorway. For a flat turn out of a corridor, the sofa's length has to fit within the hallway width plus the depth of the door frame, which is typically 5 to 6 inches. A 36-inch hallway plus a 6-inch frame gives roughly 42 inches of sofa length that can make the turn flat. Anything longer has to be tilted vertically, and then the ceiling height at the turn becomes the limit.
Also check:
- Stairs. Measure headroom at the tightest point, usually where the stair meets the ceiling above. Box springs and rigid-back sofas fail here more than anywhere else.
- Landings. A half-landing turn needs the same corner arithmetic as a hallway.
- Lifts. Measure the door opening and the internal diagonal, floor to ceiling. Many lifts take a sofa standing on end when they will not take it lying down.
If the numbers come out within an inch either way, treat it as a no. Delivery crews need room to manoeuvre, and a tight fit is how door frames and upholstery get damaged.
If it does not fit
In rough order of effort:
- Take the door off the hinges — the cheapest 2 inches you will ever find.
- Remove the sofa legs, usually screw-in, usually 4 to 6 inches of height.
- Unbolt the back. Many modern sofas ship with a removable back held by clips or bolts under an upholstery flap. Check the manual before assuming it is one piece.
- Go through a window or balcony, with a hoist and people who do that for a living.
- Buy differently next time. Modular and knock-down sofas exist because of stairwells.
Before the sofa arrives it also helps to know where it will sit. Measure the room with the room size calculator, then try the arrangement on a photo of the space in the AI room planner — the clearances around a sofa matter as much as whether it made it through the door.
Sources
Related questions
- What size rug do I need for a living room?
An 8×10 ft rug suits most living rooms, and 9×12 ft once the room is larger than about 12×18 ft. Whatever the size, the rug should reach under the front legs of every seat in the group and leave a 12 to 18 inch border of bare floor.
- What is a standard ceiling height?
Eight feet (2.44 m) is the standard ceiling height in most existing American homes, and nine feet is now common in new construction. Building code sets the floor rather than the norm: the International Residential Code requires at least seven feet of clear height in habitable rooms.
Free tools for this
- Room Size Calculator
Calculate floor area and layout capacity for any room.
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