242.5 Mohs = 2.38 HRC
| Mohs | HRC |
|---|---|
| 227.5 Mohs | 2.23 |
| 232.5 Mohs | 2.28 |
| 237.5 Mohs | 2.33 |
| 242.5 | 2.38 |
| 247.5 Mohs | 2.43 |
| 252.5 Mohs | 2.48 |
| 257.5 Mohs | 2.52 |
242.5 Mohs = 2.38 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