Chandelier Size Guide: How to Pick the Perfect Size for Your Room
One of the most common struggles when buying a chandelier is getting the size right. Too small, and it looks like an afterthought. Too large, and it overwhelms the room. Here's a simple guide to getting it right every time.
The Basic Formula
For a room's overall chandelier size, add the length and width of the room in metres. The sum in centimetres is the ideal diameter of your chandelier.
Example: A room that's 4m x 5m → 4 + 5 = 9 (90 cm) diameter.
This works for living rooms, bedrooms, and entryways. For dining rooms, use the table as your reference instead.
Dining Table Rule
The chandelier should be about half to two-thirds the width of the dining table. If your table is 90 cm wide, look for a chandelier between 45 and 60 cm in diameter. If it's a rectangular table, the chandelier should also be at least 30 cm narrower than the table on each side — meaning a 150 cm table should have a chandelier no wider than 90 cm.
Hanging Height
Over a dining table: 75 to 90 cm from the tabletop to the bottom of the chandelier. In a double-height foyer or entryway: at least 2.1 metres from the floor to the bottom of the chandelier, with an extra 7 cm of height for each additional 30 cm of ceiling height above 2.4 metres.
In bedrooms, a chandelier should hang high enough to clear any furniture underneath. If it's over a bed, keep the bottom of the chandelier at least 60 cm above the headboard.
What About Low Ceilings?
If your ceiling is under 2.4 metres, a full chandelier may feel too low. This is where semi-flush mounts come in. They hang just slightly below the ceiling — typically 10 to 20 cm — giving you the look of a chandelier without sacrificing headroom. The 3-light ribbed glass bubble semi-flush mount is a popular choice for bedrooms with standard ceilings.
For very low ceilings (under 2.3 metres), go with a flush mount. These sit completely against the ceiling. A modern flush mount with a glass shade can still make a strong design statement while keeping full headroom.
How Many Lights?
A simple rule: the number of lights should match the room size. For a small bedroom or dining corner, 3 to 4 lights is enough. For a large living room or open-plan space, 6 to 12 lights creates the right presence. A 12-light opal glass sputnik semi-flush mount, for example, works well in a room that's 4.5m x 5.5m or larger.
Quick Reference Table (in centimetres)
| Room Size | Chandelier Diameter | Number of Lights |
|
Small bedroom or dining corner |
50–70 cm | 3–4 |
| Standard bedroom or living room | 80–100 cm | 4–6 |
| Large living room or master bedroom | 100–130 cm | 6–8 |
| Open-plan living + dining | 130–160 cm | 8–12+ |
| 90 cm dining table | 45–60 cm | 3–5 |
| 150–180 cm dining table | 90–120 cm | 6–8 |
The Final Check
Before you buy, do this: tape out the chandelier's diameter on the floor using newspaper or masking tape, and place a chair underneath at the hanging height. Stand back and see how it feels. If it looks right on the floor, it will look right on the ceiling.
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