Question 1

What is 321 Mohs in HRC?

Accepted Answer

321 Mohs = 3.15 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 3.15 HRC in Mohs?

Accepted Answer

3.15 HRC = 321.3 Mohs.

Mohs	HRC
306 Mohs	3
311 Mohs	3.05
316 Mohs	3.1
321	3.15
326 Mohs	3.2
331 Mohs	3.25
336 Mohs	3.29

321 Mohs to HRC

Formula (approximate)