2.5 HV to HRC

2.5 HV = 0.25 HRC

HVHRC
1 HV0.1
1.5 HV0.15
2 HV0.2
2.50.25
3 HV0.29
3.5 HV0.34
4 HV0.39

2.5 HV = 0.25 HRC

Formula (approximate)

1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140