Haircut Number = Clipper Guard Sizes
No.1 = 1/8 inches = 0.32 cm
No.2 = 1/4 inches = 0.64 cm
No.3 = 3/8 inches = 0.95 cm
No.4 = 1/2 inches = 1.27 cm
No.5 = 5/8 inches = 1.59 cm
No.6 = 3/4 inches = 1.91 cm
No.7 = 7/8 inches = 2.22 cm
No.8 = 1 inch = 2.54 cm
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