610.5 HRB = 1,098.9 HV
| HRB | HV |
|---|---|
| 595.5 HRB | 1,071.9 |
| 600.5 HRB | 1,080.9 |
| 605.5 HRB | 1,089.9 |
| 610.5 | 1,098.9 |
| 615.5 HRB | 1,107.9 |
| 620.5 HRB | 1,116.9 |
| 625.5 HRB | 1,125.9 |
610.5 HRB = 1,098.9 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