How to Measure Your Head for a Motorcycle Helmet
Choosing the right motorcycle helmet is essential for safety, comfort, and performance. Whether you're a seasoned biker or a beginner, ensuring a proper fit can make all the difference in your riding experience. An ill-fitting helmet can compromise protection, cause discomfort, and even become a distraction on the road. In this guide, we’ll walk you through the steps to measure your head correctly and find the perfect helmet for your needs.
Why Helmet Fit Matters
Your motorbike gear is your first line of defence in case of an accident, and your helmet is the most critical part of that protection. A properly fitted helmet will:
- Stay securely in place without being too tight or too loose.
- Provide optimal impact protection in the event of a crash.
- Reduce wind noise and helmet lift at high speeds.
- Ensure comfort on long rides for both men and women bikers.


1. Get a Measuring Tape
Use a flexible, soft measuring tape to measure your head’s circumference. If you don’t have one, a piece of string and a ruler will work just as well.
2. Meaure the Widest Part of Your Head
Place the measuring tape around the widest part of your head, typically about 2.5 cm (1 inch) above your eyebrows and just above your ears. Ensure the tape sits level around your head for an accurate measurement.
3. Note the Measurement in Centimetres
Most motorcycle helmet manufacturers use centimetres for sizing. Once you have your head circumference, compare it to the brand’s size chart to determine the correct size.
4. Consider Your Head Shape
Helmet fit is not just about size; your head shape also plays a crucial role. There are three main head shapes:
- Round Oval – Equal width and length.
- Intermediate Oval – Slightly longer front to back than side to side (most common shape).
- Long Oval – Significantly longer front to back than side to side.Choosing the right helmet shape ensures even pressure distribution and reduces pressure points.
5. Try On Different Helmets
Even with the right measurement, different brands and models fit differently. When trying on a helmet:
- It should fit snugly without excessive pressure points.
- The cheek pads should be firm but not painful.
- The helmet should not move around when you shake your head.
- When fastened, it should not lift off when you push up from the back.
6. Break In Period
New motorcycle helmets will feel slightly tight at first but should break in over time. If a helmet is too loose from the start, it may become unsafe as it wears in.
Finding the right motorbike helmet size is crucial for safety and comfort. By accurately measuring your head and considering your head shape, you can choose a helmet that provides maximum protection on the road. Remember, your motorcycle gear is an investment in your safety, don’t compromise on fit!
Whether you're searching for a helmet for men or for women, always check sizing charts and try on different models before making a final decision.