Ceiling Fan Calculator
Calculate the right ceiling fan size based on room dimensions. Get CFM recommendations and mounting requirements.
Room Details
Room Type:
15 ft
8 ft40 ft
ft
12 ft
8 ft40 ft
ft
9 ft
7 ft20 ft
ft
Recommended Fan Size
52" diameter
Standard (52")
πRoom Area
180 sq ft
π¨Required CFM
720 CFM
πFans Needed
1
β‘Est. Watts
8 W
Mounting Requirements:
Mount TypeStandard Mount
Downrod Length3"
Blades from Floor7.8 ft
Meets Safety Requirements
Blades should be 7-9 feet from floor
Fan Size Guide
| Room Size | Fan Size | Min CFM |
|---|---|---|
| Up to 75 sq ft | 29-36" | 1,000-3,000 |
| 76-144 sq ft | 42-48" | 3,000-4,500 |
| 145-225 sq ft | 52" | 4,500-6,000 |
| 226-400 sq ft | 56-60" | 6,000-9,000 |
π‘
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Γ°ΕΈβΕ‘
Formula Source: Standard Mathematical References
by Various
Γ°ΕΈββLast reviewed: May 2026
Γ’ΕβFormula checks are based on standard references and internal QA review.