274.5 HRC = 2,799.9 HV
| HRC | HV |
|---|---|
| 259.5 HRC | 2,646.9 |
| 264.5 HRC | 2,697.9 |
| 269.5 HRC | 2,748.9 |
| 274.5 | 2,799.9 |
| 279.5 HRC | 2,850.9 |
| 284.5 HRC | 2,901.9 |
| 289.5 HRC | 2,952.9 |
274.5 HRC = 2,799.9 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