How to Measure Your Space Before Buying Furniture

Mattress & Furniture Super Center Team
2026-05-07T16:07:59-04:00

Measuring takes about twenty minutes per room and prevents the most expensive mistakes in furniture shopping. At Mattress & Furniture Super Center in Tampa, FL, we recommend every customer measure before they shop — not after they've fallen in love with a piece. This guide walks through exactly what to measure, what tools you need, and how to use the numbers in the showroom.

What You Need

A tape measure (25-foot is plenty), a notepad or phone, and ideally a friend to hold the other end on long runs. That's it. Skip the apps that promise to measure rooms for you — they're often inaccurate, and a real tape measure takes the same amount of time.

If you're shopping for a sectional or a large dining set, also bring painter's tape. Marking the actual footprint on the floor before you commit is the single best trick for visualizing whether a piece will work.

Measure the Room First

Before measuring for any specific piece of furniture, measure the room itself. Sketch a rough top-down floor plan and write the numbers directly on it.

What to capture:

Length and width of each wall.

Ceiling height — most buyers skip this, then realize a tall headboard or a vertical china cabinet looks oversized in a room with 8-foot ceilings.

Window positions and sizes — both width and height from floor.

Doorway positions and widths. Note swing direction (in/out) and whether each door swings into the room.

Heating registers, vents, and outlets. Furniture that blocks a heat register creates obvious problems in winter.

Existing fixed elements: fireplaces, built-ins, columns.

Once you have a sketch with these numbers, you can plan furniture placement on paper before you commit to anything in the showroom.

Plan Walkways and Clearances

Every room needs walking paths. The numbers most often missed:

30 inches — minimum walkway between major pieces of furniture.

36 inches — recommended walkway in main traffic paths.

24 inches — minimum behind dining chairs (so chairs can pull out without hitting a wall).

18 inches — between a sofa and a coffee table (close enough to set a drink, far enough to walk through).

30 inches — between a TV and the closest seat (rough minimum; comfortable distance is usually further).

Walk through the room with these numbers in mind. Anywhere a piece of furniture creates a pinch point under those numbers, that piece is too big for that spot.

Measure for the Specific Piece

Once you know the room, measure for the piece you're shopping for.

Sofas and sectionals:

Wall the piece will sit against (length).

Depth of the area, from the wall to where the piece will end.

For sectionals, both legs of the L (or all three sides of a U).

Add 6–12 inches of clearance on each side of a sofa for end tables and breathing room.

Dining tables:

Footprint of the table itself.

Plus 30+ inches on each side for chair pull-out.

Plus walkways around the chairs.

Beds:

Length and width of the mattress (twin/full/queen/king).

Plus headboard depth (4–8 inches typical).

Plus 24–30 inches of walking space on each side.

Plus any footboard depth.

Storage pieces (dressers, chests, china cabinets):

Footprint plus drawer-pull-out clearance (usually 24+ inches).

For doors that swing open, the swing radius.

The Most-Missed Step: The Path In

A piece of furniture you can't get into the room is a piece you don't own. Measure the path from the truck to the room.

Front door width and height (and any storm doors that limit clearance).

Hallway width — and any tight turns.

Stairwell width and turn landings. A long sofa frame can pivot on a stairwell landing only if there's enough clearance.

Interior doorways to the destination room.

Ceiling height in the path — important for tall pieces and stairwells.

Most furniture salespeople can give you the box dimensions of any piece. Compare those to your tightest pinch point. If the piece is bigger than your tightest pinch point, it can't get to the room — period. Some pieces can be partially disassembled (legs, cushions) but many can't.

Use Painter's Tape Before You Buy

For larger purchases — sectionals, big dining sets, sleeper sofas — mark the footprint on your floor with painter's tape before you order. Walk around the outline. Sit where the sofa would sit. Imagine the coffee table in front of it. This single trick prevents most "this is bigger than I thought" surprises.

It takes ten minutes and saves the cost (and hassle) of a return.

Stop by our showroom at 6222 Commerce Palms Drive, Tampa, FL 33647 with your measurements in hand — our team can pull pieces that fit your dimensions instead of the other way around. We carry Ashley Furniture, Beautyrest, Coaster Z1 Standard, Crown Mark, DreamCloud, FOA East, and we deliver throughout the Tampa area. Browse furniture for the living room, bedroom, or dining room. Have questions? Visit our FAQ or call us at 813-334-2707.

Next read: How to Choose the Right Sectional for Your Living Room — the most measurement-sensitive piece in any living room. Financing options available. Or visit our store.