63.5 Mohs to HRC

63.5 Mohs = 0.62 HRC

MohsHRC
48.5 Mohs0.48
53.5 Mohs0.52
58.5 Mohs0.57
63.50.62
68.5 Mohs0.67
73.5 Mohs0.72
78.5 Mohs0.77

63.5 Mohs = 0.62 HRC

Formula (approximate)

1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140