Four numbers cover it: 40–50 cm wide, 35–40 cm deep, top surface within 5 cm of the mattress top, and a 5 cm gap between the table and the bed frame. A table outside that range is either too small to hold a lamp and a book, or so tall that you knock it reaching for a glass of water in the dark.
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The size ranges, and what breaks outside them
| Dimension | Range | Too small | Too large |
|---|---|---|---|
| Width | 40–50 cm | Under 35 cm: lamp base and phone compete for space | Over 55 cm: crowds the wardrobe door and the walkway |
| Depth | 35–40 cm | Under 30 cm: book overhangs, lamp is unstable | Over 45 cm: blocks the bottom drawer of a nearby dresser |
| Height | Mattress top ±5 cm | Under 45 cm: you reach down in the dark | Over 15 cm above mattress: you reach up and across |
| Gap to bed | 5 cm | Touching: bedding catches, table vibrates when you turn over | Over 15 cm: phone and glasses land on the floor |
A 40 × 40 × 53 cm table with two drawers is the shape most bedrooms want: it sits beside a 55–60 cm mattress top, and 40 cm of width leaves room for a lamp and a book without touching the wall.
Height is relative to the mattress, not the frame
Mattress tops land at 50–55 cm on a low platform bed and 60–65 cm on a frame with a box spring. Measure the actual mattress top with the bedding on, then pick a table within 5 cm.
- Mattress top 50 cm: a 50–55 cm table. A 53 cm nightstand works.
- Mattress top 60 cm: a 55–65 cm table. Many 60 cm side tables with an open shelf land here.
- Child's bed, mattress top 40–45 cm: a 25–35 cm unit. A 34 × 31 × 25 cm children's nightstand is sized for this, not a scaled-down adult one.
The 5 cm rule has a reason: within 5 cm you can find the surface with your hand without looking. Beyond 10 cm, most people knock things over in the first week.
Width per bed size
| Bed | Mattress width | Ideal table width (each side) | Total wall needed |
|---|---|---|---|
| Single | 90 cm | 35–45 cm, one side only | 130–140 cm |
| Double | 140 cm | 40–45 cm | 225–235 cm |
| King | 160 cm | 40–50 cm | 245–265 cm |
| Super king | 180 cm | 45–55 cm | 275–295 cm |
Add the bed frame: an upholstered frame adds 8–10 cm each side, a wooden rail 5–8 cm. A 160 cm mattress in a chunky frame is 178 cm of wall before you place a single nightstand.
When there is only room for one
In a room where the bed is against a wall, one table is the honest answer — and a wall shelf 20 cm deep at mattress height serves the far side better than a table nobody can reach. Alternatives that work:
- Wall-mounted shelf, 60 × 20 cm, at 5 cm above the mattress. No floor space, no tipping risk.
- Headboard with an integrated shelf, 10–12 cm deep. Only useful if the headboard is 100–110 cm tall.
- Narrow console behind the bed, 25 cm deep, if the bed sits away from the wall. Gives both sleepers a surface with one piece of furniture.
- Floating drawer unit, 45 × 30 cm, fixed to the wall with two brackets — but only into studs, and never above a sleeping head unless it is properly anchored.
Drawers versus open shelf
Two drawers hold about 12 litres; an open shelf holds a basket and nothing hidden. If the table is only for a lamp, a phone and a book, an open-shelf design is better because you can see what is there. If it is the only storage within reach of the bed, take two drawers — 40 × 30 cm drawer fronts give 9 × 35 cm of internal space each, enough for glasses, chargers, medication and a Kindle.
For matching the table to the bed height precisely, the nightstand height guide has the numbers; for the frame itself, see the bed frame size guide.
Keep reading
More dimension guides are in the collection, and the full index is on the furnolio journal.
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