68.5 HV to HRC

68.5 HV = 6.72 HRC

HVHRC
53.5 HV5.25
58.5 HV5.74
63.5 HV6.23
68.56.72
73.5 HV7.21
78.5 HV7.7
83.5 HV8.19

68.5 HV = 6.72 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