Measuring Ceiling Fan Blade Size

The american lighting association recommends the following guidelines for room and ceiling fan size.

Measuring ceiling fan blade size.

It s like measuring the wingspan of a bird the body is included. Determine what the distance is from the tip of the first blade to the tip of the second blade. This goes for the blade and arms. While the table is a general guide for ceiling fan sizing based on your room s dimensions other factors for determining the best ceiling fan size for your room include the room type and layout.

X research source the american lighting association recommends that you should put a ceiling fan at least 7 feet 2 1 m above the floor. Multiply this number by 2 and you have your blade span or fan size. Ceiling fans are measured by the full size of their blade span also called blade sweep which is the diameter of the circle that you see when the fan blades are in motion. Or in other words fan blade span reaches from the tip of one fan blade to the tip of the blade directly across.

If the ceiling fan has an even number of blades 2 4 measure the distance from the tip of one blade to the tip of the blade on the opposite. Larger ceiling fans tend to be have a larger drop from the ceiling so you need to take their drop into consideration when picking what size ceiling fan you want to install. If the unit has an odd number of ceiling fan blades such as a five blade fan measure from the tip of a blade to the center of the fan to determine the radius. Most replacement 52 blades are around 20 5 inches in length.

Ceiling fan size guide. Reason why is that when the blades and fan are installed the 52 are the final width of the fixture. A room with up to 75 square feet can. If the ceiling fan has an odd number of blades 3 5 measure the distance from the center of the fan to the tip of any of the blades.

If your fan has an odd number of blades then measure from the tip of one blade to the center of the fan and double that number for your measurement. It will measure 32 inch or smaller 34 36 38 42 44 46 48 52 54 56 58 60 or even 70 inches across. This is the diameter of the fan area and the size of the fan blade. Ceiling fan blades range from 29 inches to 54 inches.

Once you know how large your ceiling fan s size is you will need to measure the size of your room. Most but not all ceiling fans sold today are in 52 inch or 42 inch sizes. Ceiling fan size guide. The measurement of the ceiling fan will determine how large the path of the blades will be.

Then double that amount to determine the diameter.