249.5 Mohs = 2.45 HRC
| Mohs | HRC |
|---|---|
| 234.5 Mohs | 2.3 |
| 239.5 Mohs | 2.35 |
| 244.5 Mohs | 2.4 |
| 249.5 | 2.45 |
| 254.5 Mohs | 2.5 |
| 259.5 Mohs | 2.54 |
| 264.5 Mohs | 2.59 |
249.5 Mohs = 2.45 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