149.5 HRB to HV

149.5 HRB = 269.1 HV

HRBHV
134.5 HRB242.1
139.5 HRB251.1
144.5 HRB260.1
149.5269.1
154.5 HRB278.1
159.5 HRB287.1
164.5 HRB296.1

149.5 HRB = 269.1 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