53.5 Mohs to HRC

53.5 Mohs = 0.52 HRC

MohsHRC
38.5 Mohs0.38
43.5 Mohs0.43
48.5 Mohs0.48
53.50.52
58.5 Mohs0.57
63.5 Mohs0.62
68.5 Mohs0.67

53.5 Mohs = 0.52 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