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What size hard hat do I need?
To measure for your hat size, place a soft cloth tape measure around the widest part of your head (this is usually just above the eyebrows). Pull the tape measure snug, but not tight. Convert inches to hat size using the sizing chart below.
| Sizing Chart | ||
| Hat Size | Circumference | |
| Centimeters | Inches | |
| 6 1/2 | 52 | 20 1/2 |
| 6 5/8 | 53 | 20 7/8 |
| 6 3/4 | 54 | 21 1/4 |
| 6 7/8 | 55 | 21 5/8 |
| 7 | 56 | 22 |
| 7 1/8 | 57 | 23 5/8 |
| 7 1/4 | 58 | 22 3/4 |
| 7 3/8 | 59 | 23 1/8 |
| 7 1/2 | 60 | 23 1/2 |
| 7 5/8 | 61 | 23 7/8 |
| 7 3/4 | 62 | 24 1/4 |
| 7 7/8 | 63 | 24 5/8 |
| 8 | 64 | 25 |
| 8 1/2 | 68 | 26 1/2 |
| Note: This table is intended for sizing guidance of round head bands only and should not be construed as prohibiting larger or smaller headbands | ||
