A sofa is one seating piece with a simpler footprint to position; a sectional joins seats, corner pieces or a chaise into a larger layout. Choose by the room plan, clear walkways, how many seats you need and the delivery path, then verify the exact section dimensions and chaise orientation.
Choose between a sofa and a sectional by mapping the room before you compare upholstery. A sofa is one piece; a sectional combines multiple seating pieces, often with a corner or chaise. The layout changes how much open floor and walkway remain.
Compare the room fit
| Format | What to compare |
|---|---|
| Sofa | Total width and depth, number of seats, arm shape, seat depth and delivery dimensions |
| Sectional | Length along each wall, chaise projection, corner piece, connection method and delivery size of each module |
| Modular sectional | Which pieces can be moved, how they connect and which configurations the maker supports |
Ethan Allen describes sectionals as combinations of seating pieces and shows several configurations, including options with a chaise. It also notes that seat depth varies across its own sofa range. Those are model-family details; other manufacturers use different pieces and measurements.
Plan the layout and orientation
Draw the room with doors, windows and the route people use to cross it. Mark the sofa or sectional footprint on the floor and keep the route between doorways open. For a sectional, draw both wall lengths and the chaise projection, then confirm whether the configuration is left- or right-facing according to that maker’s diagram.
If flexibility matters, check whether the sectional is modular and which pieces can be rearranged. A connected group of seats is not automatically reconfigurable. Confirm the connectors and compatible pieces in the manufacturer’s product details.
Measure the delivery path
Check each piece against door openings, hallway turns, stairs and elevators. A sectional may arrive in smaller components than a one-piece sofa, but the components still need to fit through the route. See the sofa measuring guide before ordering.
Also compare the rug size guide and mattress size guide. Browse furniture and decor.
Sources
- Ethan Allen living-room seating guide, sofa dimensions, sectionals and configurations, checked November 5, 2026.
- Magnolia sofa and sectional guide, room layout, furniture footprint and seating considerations, checked November 5, 2026.
Common questions
Is a sofa or sectional better for a small living room?
Compare the full footprint with the room and walking paths. A standalone sofa leaves more choice about where other seats go; a sectional can fit a corner but may occupy more floor area.
Does a sectional seat more people than a sofa?
Capacity depends on the configuration and seat widths. Compare the manufacturer's piece count, seat dimensions and layout rather than the sectional label alone.
How do I choose a left- or right-facing chaise?
Use the manufacturer's viewing direction and configuration diagram, then mark the chaise projection on the floor plan. Brands may define orientation differently.
How do I measure for a sectional delivery?
Measure each piece, doorway, hallway, turn, stair landing and elevator. A sectional may arrive in separate modules, but each module still needs a clear path.