Pick a side table that sits within about 1–2 inches of your sofa arm or mattress height for comfort.
Choosing a side table comes down to one rule: match the height to what sits beside it. A table that lines up with your sofa arm or bed mattress feels natural to reach, looks balanced, and keeps your lamp and drink within easy grasp. The rest is surface area, placement, and room flow.
Match The Height To Your Sofa Or Bed
Measure the top of your sofa arm or the top of your mattress first, then target a table within about 1–2 inches of that number. Most living-room side tables fall between 18 and 28 inches tall, with many hovering around 24 inches.
For bedside use, match the mattress height instead. A nightstand that sits far below or above your mattress makes reaching for a phone or glass awkward in the dark.
Size The Surface And Depth For Real Use
Width and diameter usually land between 16 and 28 inches, and most practical living-room tables run at least 18 inches across. Before you settle on a size, list what the table must hold: a lamp, drinks, books, a remote, or storage.
Depth should suit the sofa or chair and the space around it, so keep proportions in line with your furniture without crowding the room.
Plan Clearance So The Room Still Flows
Always measure the floor space before buying, not after.
In narrow rooms or entryways, confirm the table still preserves a clear path. A stable base matters too, especially near traffic paths or when holding lamps and drinks.
Common Side-Table Mistakes To Skip
- Choosing a table much lower or higher than the arm or mattress, which strains your reach and looks off balance.
- Ignoring walkway clearance and blocking movement through the room.
- Buying a surface too small for a lamp or daily items.
- Forgetting that bedside and living-room use need different height targets.
HGTV’s side-table selection guide covers the same sizing principles, including the lamp-width detail and matching heights to your seating.
Once you know your height and clearance numbers, shop within those measurements rather than by looks alone. For bedrooms, that means a nightstand built around mattress height and storage needs; find bedroom side tables with storage that fit those specs.
References & Sources
- HGTV. “Vern Yip’s Tips for Choosing Side Tables.” Covers sizing, clearance, and lamp-width guidance for side tables.

