A chandelier isn’t just a light — it’s a centerpiece that sets the tone for your space. But the wrong size can throw off the entire look.
This guide will show you how to calculate the right chandelier size for round, square, and rectangular spaces, using centimeters and meters so you can achieve perfect proportions every time.
Why Size Matters
Choosing the correct chandelier size ensures:
– Perfect Proportion — Small fixtures get lost, oversized ones overpower.
– Balanced Lighting — Even light distribution across the room.
– Design Harmony — Complements furniture, décor, and architecture.
Step 1: Measure Your Room
Measure your room in meters:
– Length (m)
– Width (m)
Example: Room is 4 m long × 3 m wide.
Step 2: Round & Square Room Formula
For round or square spaces, use:
Room Length (m) + Room Width (m) = Chandelier Diameter (cm)
Example:
4 m + 3 m = 7 m → 70 cm diameter
So, for a round or square chandelier, aim for 70 cm wide.
Step 3: Rectangular Room or Table Formula
For rectangular rooms or tables, the chandelier should follow the longest dimension while maintaining balance:
Chandelier Length = Table/Room Length (m) × 0.6–0.7
Chandelier Width = Table/Room Width (m) × 0.3–0.5
Example (Dining Table 2.4 m × 1 m):
Length = 2.4 m × 0.65 = 156 cm
Width = 1 m × 0.4 = 40 cm
Your chandelier would be 156 × 40 cm in size.
Step 4: Hanging Height
– Standard ceiling (2.4 m): Bottom of chandelier ~2.1 m above floor.
– Higher ceilings: Add 7–8 cm for every extra 30 cm in ceiling height.
For dining tables:
– Hang the bottom 76–91 cm above the table (add 7–8 cm for every 30 cm ceiling height increase).
Step 5: Shape & Design Considerations
– Round chandeliers: Work well for square rooms or round tables.
– Rectangular chandeliers: Best for long dining tables, kitchen islands, or elongated rooms.
– Square chandeliers: Fit perfectly in square rooms for symmetry.
Consider:
– Material transparency — Clear crystal feels lighter, solid metals appear heavier.
– Tier height — Multi-layer designs need more vertical clearance.
Pro Tip: Visual Test Before Buying
Use painter’s tape or cardboard cut-outs in your ceiling area to preview chandelier size and shape before ordering.
Chandelier Size Quick Reference Table
| Room Shape & Size | Chandelier Shape | Ideal Size (cm) |
| 3 × 3 m (square room) | Round/Square | 60 cm diameter |
| 4 × 4 m (square room) | Round/Square | 80 cm diameter |
| 4 × 3 m (rectangle room) | Rectangular | 156 × 40 cm |
| 5 × 3 m (rectangle room) | Rectangular | 200 × 50 cm |
Final Thoughts
Whether round, square, or rectangular, a chandelier must fit the proportions of the space to create harmony.
At 86 Studios, we handcraft glass, crystal, copper, and stainless steel chandeliers in custom shapes and sizes — ensuring every design is tailored perfectly to your room.