459.5 Mohs = 4.5 HRC
| Mohs | HRC |
|---|---|
| 444.5 Mohs | 4.36 |
| 449.5 Mohs | 4.41 |
| 454.5 Mohs | 4.46 |
| 459.5 | 4.5 |
| 464.5 Mohs | 4.55 |
| 469.5 Mohs | 4.6 |
| 474.5 Mohs | 4.65 |
459.5 Mohs = 4.5 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