387.5 HRB to HV

387.5 HRB = 697.5 HV

HRBHV
372.5 HRB670.5
377.5 HRB679.5
382.5 HRB688.5
387.5697.5
392.5 HRB706.5
397.5 HRB715.5
402.5 HRB724.5

387.5 HRB = 697.5 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