To Find Your Helmet Size

How to Measure Your Head Measure around head just above eyebrow ridges in inches or centimeters. Use the chart below to convert the resulting measurement to helmet size.

Size Chart

Measurement in inches
19"
19-3/8"
19-3/4"
20-1/8"
Measurement in centimeters
48"
49"
50"
51"
Helmet Size
6
6-1/8
6-1/4
6-3/8
 
Measurement in inches
20-1/2"
20-7/8"
21-1/4"
21-5/8"
Measurement in centimeters
52"
53"
54"
55"
Helmet Size
6-1/2
6-5/8
6-3/4
6-7/8
 
Measurement in inches
22"
22-1/2"
22-3/4"
23-1/4"
Measurement in centimeters
56"
57"
58"
59"
Helmet Size
7
7-1/8
7-1/4
7-3/8
 
Measurement in inches
23-5/8"
24"
24-1/2"
24-3/4"
Measurement in centimeters
60"
61"
62"
63"
Helmet Size
7-1/2
7-5/8
7-3/4
7-7/8