For your room ceiling fan size is measured from blade tip to blade tip.
Ceiling fan size guide for room.
If you have a regular sized bedroom of 144 to 225 square feet then a medium ceiling fan with a blade span of 44 to 50 inches will be a great fit.
Small diameter fan sizes are ideal for home offices and laundry rooms.
For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches.
Leave at least 2 or 3 feet of space between the end of the fan blade to the closest wall to determine the largest size fan you can put in a room 3 feet for ceilings 9 feet or less 2 feet for higher ceilings.
100 square feet or less work best with a small ceiling fans that range from 30 inches to 48 inches.
For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter.
This includes large bathrooms large bedrooms medium sized living rooms and kitchens.
In terms of sizing your ceiling fan for your bedroom there are two common size options for bedrooms.
For safety the bottom of the fan needs to be at least 7 feet above the floor.
A guideline for sizing ceiling fans has been determined by the american lighting association.
For adequate air circulation the fan blades should hang 8 inches or more from the ceiling.
A small 10 x 10 room could accommodate a 48 to 72 fan.
Would we then recommend a 72 fan for this room.
You will want to check your fan to ensure that its cfm rating is anywhere between 1 600 and 4 500.
Conversely spaces in the home with limited ceiling to floor height think bedrooms offices breakfast nooks etc require a low profile or flushmount ceiling fan.