70.5 Mohs to HRC

70.5 Mohs = 0.69 HRC

MohsHRC
55.5 Mohs0.54
60.5 Mohs0.59
65.5 Mohs0.64
70.50.69
75.5 Mohs0.74
80.5 Mohs0.79
85.5 Mohs0.84

70.5 Mohs = 0.69 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