Hat Size Chart for Babies, Children & Adults
| Size | Hat Circumference (inches) | Hat Width (inches) | Hat Height (inches) | Hat Circumference (cm) | Hat Width (cm) | Hat Height (cm) |
|---|---|---|---|---|---|---|
| Premie | 10 inches | 5 inches | 4.5 inches | 25.4 cm | 12.7 cm | 11.43 cm |
| Newborn | 12 inches | 6 inches | 5 inches | 30.48 cm | 15.24 cm | 12.7 cm |
| 0-3 months | 14 inches | 7 inches | 6 inches | 35.56 cm | 17.78 cm | 15.24 cm |
| 3-6 months | 15 inches | 7.5 inches | 6.25 inches | 38.1 cm | 19.05 cm | 15.88 cm |
| 6-12 months | 16 inches | 8 inches | 6.75 inches | 40.64 cm | 20.32 cm | 17.14 cm |
| 1-3 years | 17 inches | 8.5 inches | 7 inches | 43.18 cm | 21.59 cm | 17.78 cm |
| 3-5 years | 18 inches | 9 inches | 7.5 inches | 45.72 cm | 22.86 cm | 19.05 cm |
| 6-10 years | 19 inches | 9.5 inches | 8 inches | 48.26 cm | 24.13 cm | 20.32 cm |
| Adult Small (Teen) | 20 inches | 10 inches | 8.25 inches | 50.8 cm | 25.4 cm | 20.96 cm |
| Adult Medium | 21 inches | 10.5 inches | 8.75 inches | 53.34 cm | 26.67 cm | 22.23 cm |
| Adult Large | 22 inches | 11 inches | 9 inches | 55.88 cm | 27.94 cm | 22.86 cm |
Visual Guide to Measuring Hat Sizes
Adult Hat Measurement:
Kids/Baby Hat Measurement:
