411.5 Mohs = 4.03 HRC
| Mohs | HRC |
|---|---|
| 396.5 Mohs | 3.89 |
| 401.5 Mohs | 3.94 |
| 406.5 Mohs | 3.99 |
| 411.5 | 4.03 |
| 416.5 Mohs | 4.08 |
| 421.5 Mohs | 4.13 |
| 426.5 Mohs | 4.18 |
411.5 Mohs = 4.03 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