507.5 HV = 49.75 HRC
| HV | HRC |
|---|---|
| 492.5 HV | 48.28 |
| 497.5 HV | 48.77 |
| 502.5 HV | 49.26 |
| 507.5 HV | 49.75 |
| 512.5 HV | 50.25 |
| 517.5 HV | 50.74 |
| 522.5 HV | 51.23 |
507.5 HV = 49.75 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