102.5 HRB to HV

102.5 HRB = 184.5 HV

HRBHV
87.5 HRB157.5
92.5 HRB166.5
97.5 HRB175.5
102.5184.5
107.5 HRB193.5
112.5 HRB202.5
117.5 HRB211.5

102.5 HRB = 184.5 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