Measuring a sofa so it fits through your door comes down to one idea: compare the sofa’s smallest dimensions to the tightest spot on its path from the street to your living room. Measure the doorway width, the hallway, any stairs and every turn, then check them against the sofa’s depth, height and diagonal.
It sounds fussy, but it’s the cheapest insurance you can buy. A couch that looks perfect online can get stuck in a stairwell, and sending it back is a hassle nobody wants. Here’s how to do it right the first time.
Start with the sofa’s real measurements
Every product page lists width, depth and height. That’s the finished size, though, and it’s not always what matters for moving. What you really need is the sofa’s smallest two dimensions, because that’s how it’ll travel through tight spaces, often tilted on its end or side.
Write down these numbers from the listing:
- Overall width (arm to arm)
- Overall depth (front to back)
- Overall height (floor to top of the back)
- Diagonal depth, if listed (more on that in a second)
Also check whether the legs, arms or back cushions come off. A sofa with removable legs can lose several inches of height, which sometimes makes all the difference.
How to measure a doorway for a sofa
Now grab a tape measure and head to the front door. Measure the width of the opening from one side of the frame to the other, and remember that a door swinging open into the space may block a bit of that width. Taking the door off its hinges can win you an inch or two.
Next, measure the height from the floor (or threshold) to the top of the frame. Then do the same for every other doorway the sofa has to pass through, including the one into the final room. Your smallest number is your limit, so write it down and circle it.
Check stairs, hallways and tight turns
Doorways are only the beginning. Hallways are where many deliveries get stuck, especially if there’s a turn or a light fixture hanging low. Measure the hallway’s width at its narrowest point and look up for anything that sticks down from the ceiling.
Stairs deserve extra attention. Measure the stairwell’s width, the ceiling height over the steps and the space on any landing. A landing is often where a long sofa has to pivot, and that pivot needs room.
Here’s a quick rule of thumb: if the sofa needs to turn a corner, the turn is usually harder than the straight stretch. So measure the clear space at every corner, not just along the wall.
Use the diagonal trick when measuring a sofa for tight spots
This is the step most people skip. A sofa rarely goes through a door flat. Movers usually stand it on its end or side and tilt it, so what matters is its two smallest dimensions, which are usually depth and height. If the smaller of those two is less than the width of your open doorway, the sofa can usually get through.
The tricky part is the tilt. Measure the diagonal depth, which runs from the top back corner to the bottom front corner (or use the number in the listing if there is one). That’s roughly how much space the sofa needs as it pivots in a tight spot like a landing or a door that opens onto a wall. If the diagonal is bigger than the clear space you’ve measured, you’ll want a different plan.
A quick pre-purchase checklist
- Note the sofa’s width, depth, height and diagonal depth.
- Measure every door, hallway, stairwell and landing on the delivery path.
- Check the ceiling height and low fixtures along the way.
- Measure the room itself, including the wall where the sofa will sit.
- Mark the sofa’s footprint on the floor with painter’s tape.
- Ask about delivery: will the crew remove doors, or only drop at the curb?
Taping out the footprint is surprisingly useful. You’ll see right away whether the sofa leaves enough walking space, and it’s a lot easier to adjust tape than furniture. If you’re working with a tight room, our tips on furnishing a small apartment without it feeling cramped can help you plan the layout.
When a big sofa just won’t fit: other options
Sometimes the measurements tell you the honest truth, and a standard sofa won’t make it. That’s not the end of the story. Sofas that come apart into pieces are built for exactly this problem, and you can see some of the options in our guide to the best modular sofas for apartments. Each piece is small enough to carry through almost any door.
If you also need a spot for overnight guests, a pull-out can double up as a bed, and our roundup of the best sleeper sofas for small spaces covers compact picks. And if you like the idea of a recliner, remember that the mechanism adds depth and weight, so it’s worth reading about the best manual reclining sofas with your measurements in hand.
Frequently asked questions
How much wider than the sofa should a doorway be?
There’s no single number, since sofas can tilt and pivot. As a general rule, you want the doorway to be at least a few inches larger than the sofa’s smallest dimension, and a little extra room helps the movers avoid scraping frames and walls.
Can I take a door off to fit a sofa?
Yes, and it often helps. Removing the door from its hinges frees up the width the open door would otherwise take. Just remember to put it back, and cover the frame with a blanket to protect the paint.
What if my sofa is too big for the stairs?
Look at removable legs, arms or backs first, since many sofas come apart. If that doesn’t work, a modular design or a delivery crew with equipment may be your best bet, and some buildings allow hoisting through a window.
The bottom line
To measure a sofa so it fits through your door, compare its smallest dimensions and diagonal to every doorway, hallway, stair and turn on the way in. A few minutes with a tape measure now saves a painful return later. Once you know your limits, browsing is much more fun, and a modular or compact model might be the perfect fit.