Ceiling Fan Size Measurement

Ceiling fans come in a wide range of blade spans from small mini fans with a blade span of 18 inches up to large ceiling fans with a 68 inch blade span.

Ceiling fan size measurement. Length of longest wall is 12 to 15 feet your fan width should be 40 to 48 inches. Choosing the right ceiling fan size will optimize the fan s efficiency and make the fan look right at home in the space. Fans that measure 52 inches are the most commonly used. A five blade fan does not have blades directly across from each other as a four blade ceiling fan does.

The air circulation capacity of a ceiling fan is measured in cubic feet per minute or cfm and this number can vary from 50 to 110. A room with up to 75 square feet can accommodate fans in the 29 to 36 inch range. If the fan is in the middle of the room with seating off to the side use as large a fan as you can handle. For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter.

If the seating is directly beneath the fan use a fan large enough to cover the seating area. Place the end of the measuring tape on the tip of one of the blades on a fully assembled ceiling fan. For rooms 76 144 square feet you ll need a 36 44 inch blade span. 144 to 225 square foot rooms will need 44 54 inch blade spans and finally 225 to 400 square foot rooms will need a blade span between 50 and 72 inches.

Length of longest wall is less than 12 feet your fan width should be 36 inches or less. How to choose the right size ceiling fan or talk to a ceiling fan expert. For anything larger than that you ll need to invest in more than one ceiling fan. But the caveat is that a higher cfm rating usually means that the fan guzzles power.

Length of longest wall is more than 15 feet your fan width should be 52 inches or more. The larger the fan size the higher the cfm. A room between 76 and 144 square feet can accommodate fans that are 36 to 42 inches in diameter. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches.

The size of a ceiling fan is determined by the size of the room or the area which you are looking to cool. And beyond we even offer fans with an expansive 99 inch blade span. To determine the square footage of the room or the area multiply the length of the room in feet by the width of the room in feet. Double this measurement to obtain the fan blade size.