68.5 HRB to HV

68.5 HRB = 123.3 HV

HRBHV
53.5 HRB96.3
58.5 HRB105.3
63.5 HRB114.3
68.5123.3
73.5 HRB132.3
78.5 HRB141.3
83.5 HRB150.3

68.5 HRB = 123.3 HV

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