740.5 HRC = 7,553.1 HV
| HRC | HV |
|---|---|
| 725.5 HRC | 7,400.1 |
| 730.5 HRC | 7,451.1 |
| 735.5 HRC | 7,502.1 |
| 740.5 HRC | 7,553.1 |
| 745.5 HRC | 7,604.1 |
| 750.5 HRC | 7,655.1 |
| 755.5 HRC | 7,706.1 |
740.5 HRC = 7,553.1 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