Question 1

What is 398 Mohs in HRC?

Accepted Answer

398 Mohs = 3.9 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 3.9 HRC in Mohs?

Accepted Answer

3.9 HRC = 397.8 Mohs.

Mohs	HRC
383 Mohs	3.75
388 Mohs	3.8
393 Mohs	3.85
398	3.9
403 Mohs	3.95
408 Mohs	4
413 Mohs	4.05

398 Mohs to HRC

Formula (approximate)