287.5 HV to HRC

287.5 HV = 28.19 HRC

HVHRC
272.5 HV26.72
277.5 HV27.21
282.5 HV27.7
287.528.19
292.5 HV28.68
297.5 HV29.17
302.5 HV29.66

287.5 HV = 28.19 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