Snapback Cap Size Chart

Hat Size (US)	Head Circumference (inches)	Head Circumference (cm)
6 7/8	21 5/8	55 cm
7	22	55.8 cm
7 1/8	22 3/8	56.8 cm
7 1/4	22 3/4	57.7 cm
7 3/8	23 1/8	58.7 cm
7 1/2	23 1/2	59.6 cm
7 5/8	23 7/8	60.6 cm
7 3/4	24 1/4	61.5 cm
7 7/8	24 5/8	62.5 cm
8	25	63.5 cm