Helmet Size Calculator

Find Your Helmet Size

Measure around the widest part of your head, about 1 cm above your eyebrows.

Between two sizes? Go up — helmets compress slightly as they break in. Always try before buying if possible.

Size Chart

Size Circumference (cm) Circumference (inches)

Sizes vary between models within the same brand. Always check the specific model's chart before purchasing.

How to Measure Your Head

  1. Use a soft measuring tape (or a piece of string measured against a ruler).
  2. Place it around the widest part of your head — approximately 1 cm above your eyebrows and ears.
  3. Keep the tape level all the way around.
  4. Note the measurement in centimetres.
  5. If your measurement falls between two sizes, choose the larger size.