105.5 Mohs = 1.03 HRC
| Mohs | HRC |
|---|---|
| 90.5 Mohs | 0.89 |
| 95.5 Mohs | 0.94 |
| 100.5 Mohs | 0.99 |
| 105.5 | 1.03 |
| 110.5 Mohs | 1.08 |
| 115.5 Mohs | 1.13 |
| 120.5 Mohs | 1.18 |
105.5 Mohs = 1.03 HRC
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140