Ceiling fan sizes by room
Use a 29–36 in fan for rooms up to 75 sq ft, 36–42 in up to 144 sq ft, 44 in up to 225 sq ft, and 50–54 in up to 400 sq ft. Larger rooms need a bigger fan or two fans.
| Room area | Blade span |
|---|---|
| Up to 75 sq ft (7 m²) | 29–36 in (74–91 cm) |
| 76–144 sq ft (7–13 m²) | 36–42 in (91–107 cm) |
| 144–225 sq ft (13–21 m²) | 44 in (112 cm) |
| 225–400 sq ft (21–37 m²) | 50–54 in (127–137 cm) |
| Over 400 sq ft | 56 in or larger, or two fans |
What to know
Hang blades at least 7 ft (2.1 m) above the floor; 8–9 ft is ideal for airflow. Keep blade tips at least 18 in from walls.
Questions people ask
What size ceiling fan for a 12 × 12 room?
A 12 × 12 ft room is 144 sq ft, so use a 36–42 in fan.
Related sizes
Sources and method
Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.