Ceiling Fan Size Guide


A ceiling fan can provide a cool breeze and circulate the air without the high cost of operating an air conditioner. Your ceiling fan's efficiency depends on getting the right size fan for your room.

Things You'll Need

  • Measuring tape
  • Calculator
  • Use a measuring tape to get the approximate length and width of your room. If the room is not closed off, measure the amount of space you want the ceiling fan to serve.

  • Calculate the square footage of the room where the ceiling fan will go. Square footage is found by multiplying the length and width.

  • Choose a ceiling fan with a blade span of 29 to 36 inches for a room that is 75 square feet or smaller.

  • Look for a ceiling fan that has a blade span of 36 to 42 inches for a room that measures 76 to 144 square feet.

  • Check out your options for a 44-inch blade span if you have a space between 144 and 225 square feet.

  • Find a large ceiling fan with a blade span between 50 and 54 inches if it will go in a space of 225 to 400 square feet.

Tips & Warnings

  • A 52-inch blade span is the most popular ceiling fan model, according to Energy Star.


  • Photo Credit Thinkstock Images/Comstock/Getty Images
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