31.5 Mohs to HRC

31.5 Mohs = 0.31 HRC

MohsHRC
25.5 Mohs0.25
27.5 Mohs0.27
29.5 Mohs0.29
31.50.31
33.5 Mohs0.33
35.5 Mohs0.35
37.5 Mohs0.37

31.5 Mohs = 0.31 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