20.5 Mohs to HRC

20.5 Mohs = 0.2 HRC

MohsHRC
14.5 Mohs0.14
16.5 Mohs0.16
18.5 Mohs0.18
20.50.2
22.5 Mohs0.22
24.5 Mohs0.24
26.5 Mohs0.26

20.5 Mohs = 0.2 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