620.5 HRC = 6,329.1 HV
| HRC | HV |
|---|---|
| 605.5 HRC | 6,176.1 |
| 610.5 HRC | 6,227.1 |
| 615.5 HRC | 6,278.1 |
| 620.5 | 6,329.1 |
| 625.5 HRC | 6,380.1 |
| 630.5 HRC | 6,431.1 |
| 635.5 HRC | 6,482.1 |
620.5 HRC = 6,329.1 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