27 Mohs to HRC

27 Mohs = 0.26 HRC

MohsHRC
21 Mohs0.21
23 Mohs0.23
25 Mohs0.25
270.26
29 Mohs0.28
31 Mohs0.3
33 Mohs0.32

27 Mohs = 0.26 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