80.5 Mohs to HRC

80.5 Mohs = 0.79 HRC

MohsHRC
65.5 Mohs0.64
70.5 Mohs0.69
75.5 Mohs0.74
80.50.79
85.5 Mohs0.84
90.5 Mohs0.89
95.5 Mohs0.94

80.5 Mohs = 0.79 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