104.5 Mohs = 1.02 HRC
| Mohs | HRC |
|---|---|
| 89.5 Mohs | 0.88 |
| 94.5 Mohs | 0.93 |
| 99.5 Mohs | 0.98 |
| 104.5 | 1.02 |
| 109.5 Mohs | 1.07 |
| 114.5 Mohs | 1.12 |
| 119.5 Mohs | 1.17 |
104.5 Mohs = 1.02 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