629.5 HRB = 1,133.1 HV
| HRB | HV |
|---|---|
| 614.5 HRB | 1,106.1 |
| 619.5 HRB | 1,115.1 |
| 624.5 HRB | 1,124.1 |
| 629.5 HRB | 1,133.1 |
| 634.5 HRB | 1,142.1 |
| 639.5 HRB | 1,151.1 |
| 644.5 HRB | 1,160.1 |
629.5 HRB = 1,133.1 HV
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140