506.5 HV = 49.66 HRC
| HV | HRC |
|---|---|
| 491.5 HV | 48.19 |
| 496.5 HV | 48.68 |
| 501.5 HV | 49.17 |
| 506.5 HV | 49.66 |
| 511.5 HV | 50.15 |
| 516.5 HV | 50.64 |
| 521.5 HV | 51.13 |
506.5 HV = 49.66 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