Ceiling fans are not just an accessory in Indian homes. They are a cost-efficient and simple solution to the blazing heat of summer months. Whether you live in the harsh weather of Rajasthan or the coastal climate of Mumbai, a fan is a must-have for every Indian household. An ideal ceiling fan is one that fits perfectly in your room and offers elegant decor to your space. That is why the measurement of a ceiling fan is so crucial. If it’s too short, you won’t get the desired results, and if it’s overpoweringly large, that’s a no-no for small spaces.
On that note, are you aware of how to measure ceiling fan size? If not, don’t worry. We’ll discuss all about it and more in this blog.
Dear readers, before we learn how to measure a ceiling fan, it’s time to revise your Maths class lessons today! First of all, ceiling fans are measured in inches, which denotes the wingspan or diameter of the fan. This will also help determine how much area your fan covers when it’s spinning. There are different methods for how to measure ceiling fan size, depending on whether your fan has an even or odd number of blades:
Turn off your fan and keep your fingers to yourself till it comes to a halt. If it’s dusty, proceed after cleaning it with a soft cloth.
Before asking how do I measure ceiling fan size, bring on your measuring tape and a step ladder (if needed). Hold the starting point of the tape at the tip of the blade.
Stretch the tape to the end of the opposite blade. Record the number from the first blade’s tip to the others. The number on the tape is your fan’s diameter.
Measure the distance from the blade’s tip to the centre of the fan. Then multiply the distance by 2 to get your diameter. For example, if you recorded 5 inches from the centre of the fan. Then, 5×2 = 10 inches is your diameter.
While looking for a new ceiling fan, we are always threatened by questions like, how do you measure ceiling fan size and what is the right size? The following is a size chart for ceiling fans to help you find a perfect fit for your place:
Room Size (Feet)
| Room Size (Feet) | Recommended Fan Size (Inches) | Recommended CFM |
| 6′ x 6′ | 24″ to 36″ | 3,000 – 4,500 CFM |
| 10′ x 10′ | 37″ to 48″ | 4,000 – 5,500 CFM |
| 12′ x 12′ | 49″ to 56″ | 6,200 – 7,500 CFM |
| 15′ x 15′ | 60″ to 72″ | 7,000 – 9,000 CFM |
| More than 15′ x 15′ | Above 72″ | 9,000 – 11,000+ CFM |
We all hate those really tall fans that barely offer cooling to anyone. Simultaneously, long fans with a short ceiling can be a dangerous affair for tall people. Mastering how to determine the size of a ceiling fan is not just for looks, but to ensure proper ventilation and air flow in the space. Let’s learn how you can determine the height of ceiling fans:
A downrod, as the name suggests, is a long metal rod that makes your ceiling fans hang lower. It connects the motor housing to the mounting hardware. It also helps to stabilise fans and offer added protection to the connection. For taller ceilings, downrods are a necessary equipment. After learning how do you measure fan size, let’s find out how you can measure the downrod length:
Downrod Length = Ceiling height – Fan Height – Desired Hanging Height
144 – 12 – 108 = 24 inches
So, you need 24 inches of downrod for an ideal fan placement.
Here are a few extra considerations to help you find the perfect number and size of fans for your space:
With our detailed guide on how to measure ceiling fan size, you can purchase the right fan on your first search. Learning how are ceiling fan sizes measured ensures that you enjoy optimal performance and safety from your fan by making the right choice for your space.
If you’re searching for a durable BLDC ceiling fan or a high-quality traditional ceiling fan, L&T-SuFin has a wide range of options for you. You can get the best prices and enjoy pan-Indian delivery at your doorstep. For people looking for bulk purchases, they offer incredible discounts too. Get your quotes now!
Measure the blade span. For even-numbered blades, measure from tip to tip across the fan. For odd-numbered blades, measure from the tip to the centre and double it.
A 1200 mm fan has a blade span of approximately 48 inches, suitable for rooms up to 144 sq ft. A 1400 mm fan spans about 56 inches, ideal for larger rooms up to 225 sq ft.
A 10×10 room typically requires a ceiling fan with a blade span between 36 to 42 inches for optimal airflow.
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