287.5 Mohs to HRC

287.5 Mohs = 2.82 HRC

MohsHRC
272.5 Mohs2.67
277.5 Mohs2.72
282.5 Mohs2.77
287.52.82
292.5 Mohs2.87
297.5 Mohs2.92
302.5 Mohs2.97

287.5 Mohs = 2.82 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