299 Mohs to HRC

299 Mohs = 2.93 HRC

MohsHRC
284 Mohs2.78
289 Mohs2.83
294 Mohs2.88
2992.93
304 Mohs2.98
309 Mohs3.03
314 Mohs3.08

299 Mohs = 2.93 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