522.5 Mohs = 5.12 HRC
| Mohs | HRC |
|---|---|
| 507.5 Mohs | 4.98 |
| 512.5 Mohs | 5.02 |
| 517.5 Mohs | 5.07 |
| 522.5 | 5.12 |
| 527.5 Mohs | 5.17 |
| 532.5 Mohs | 5.22 |
| 537.5 Mohs | 5.27 |
522.5 Mohs = 5.12 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