591.5 HRB = 1,064.7 HV
| HRB | HV |
|---|---|
| 576.5 HRB | 1,037.7 |
| 581.5 HRB | 1,046.7 |
| 586.5 HRB | 1,055.7 |
| 591.5 | 1,064.7 |
| 596.5 HRB | 1,073.7 |
| 601.5 HRB | 1,082.7 |
| 606.5 HRB | 1,091.7 |
591.5 HRB = 1,064.7 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