Question 1

What is 78.5 Mohs in HRC?

Accepted Answer

78.5 Mohs = 0.77 HRC. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert Mohs to HRC?

Accepted Answer

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. Multiply your Mohs value by the appropriate factor to get HRC, or use the interactive converter above.

Question 3

What is 0.77 HRC in Mohs?

Accepted Answer

0.77 HRC = 78.54 Mohs.

Mohs	HRC
63.5 Mohs	0.62
68.5 Mohs	0.67
73.5 Mohs	0.72
78.5	0.77
83.5 Mohs	0.82
88.5 Mohs	0.87
93.5 Mohs	0.92

78.5 Mohs to HRC

Formula (approximate)