How to Determine Helmet Size

by David Stewart

Motorcycle helmets are essential to protect your head from injuries. For a helmet to be effective, it needs to be comfortable, snug and functional. While a helmet should be snug, it should not be overly tight, making you uncomfortable. Wearing a loose helmet is also uncomfortable, not to mention dangerous. Therefore, having the correct fit is important. Measuring your head right before buying a helmet can help you determine the right size for your helmet. Follow careful measuring instructions that apply to both motorcycle and sports helmets.

Measure the circumference of your head at its widest part using the measuring tape. To do this, place the tape around your head an inch above your eyebrows and ears.

Read the measurement in a mirror or have a friend read it. Note it down in inches as well as centimeters.

Compare the measurement with a helmet sizing chart defined for the type of the helmet you want (e.g., football helmet, motor vehicle helmet). These sizing charts are available from the manufacturer.

Find the helmet that fits your measurements and try it. It should fit well on the top your head without any gap between the head and helmet. To be a good fit, the front of the helmet should fall just above your eyebrows. If the helmet falls below the eyebrows, it is a large fit and therefore is not recommended.

Check the chinstrap of the helmet. It should not be too tight or too loose, but should fit snugly without being uncomfortable.


  • check Helmet sizing measurements may differ from one manufacturer to another. So, check with the specific manufacturer for the measurements. Check if sizing charts are available online on manufacturer websites. Manufacturers may use inches or centimeters for their helmet sizing charts. Taking measurements in both units help you locate your helmet size easily.
  • check Ask the store owner if you can test-drive the helmet. This gives you a clear idea if the helmet is right for you or not.

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About the Author

Hailing out of Pittsburgh, Pa., David Stewart has been writing articles since 2004, specializing in consumer-oriented pieces. He holds an associate degree in specialized technology from the Pittsburgh Technical Institute.

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