556.5 HRC = 5,676.3 HV
| HRC | HV |
|---|---|
| 541.5 HRC | 5,523.3 |
| 546.5 HRC | 5,574.3 |
| 551.5 HRC | 5,625.3 |
| 556.5 | 5,676.3 |
| 561.5 HRC | 5,727.3 |
| 566.5 HRC | 5,778.3 |
| 571.5 HRC | 5,829.3 |
556.5 HRC = 5,676.3 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