581.5 HRC = 5,931.3 HV
| HRC | HV |
|---|---|
| 566.5 HRC | 5,778.3 |
| 571.5 HRC | 5,829.3 |
| 576.5 HRC | 5,880.3 |
| 581.5 | 5,931.3 |
| 586.5 HRC | 5,982.3 |
| 591.5 HRC | 6,033.3 |
| 596.5 HRC | 6,084.3 |
581.5 HRC = 5,931.3 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