54.5 Mohs to HRC

54.5 Mohs = 0.53 HRC

MohsHRC
39.5 Mohs0.39
44.5 Mohs0.44
49.5 Mohs0.49
54.50.53
59.5 Mohs0.58
64.5 Mohs0.63
69.5 Mohs0.68

54.5 Mohs = 0.53 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