DETERMINING YOUR HAT SIZE
METRIC INCHES ENGLISH AMERICAN
48 19 5 7/8 6
49 19 3/8 6 6 1/8
50 19 3/4 6 1/8 6 1/4
51 20 1/8 6 1/4 6 3/8
52 20 1/2 6 3/8 6 1/2 X-SMALL
53 20 7/8 6 1/2 6 5/8
54 21 1/4 6 5/8 6 3/4 SMALL
55 21 5/8 6 3/4 6 7/8
56 22 6 7/8 7 MEDIUM
57 22 3/8 7 7 1/8
58 22 3/4 7 1/8 7 1/4 LARGE
59 23 1/8 7 1/4 7 3/8
60 23 1/2 7 3/8 7 1/2 X-LARGE
61 23 7/8 7 1/2 7 5/8
62 24 1/4 7 5/8 7 3/4 XX-LARGE
63 24 5/8 7 3/4 7 7/8
64 25 7 7/8 8
65 25 3/8 8 8 1/4