Question 1

What is 21.5 Mohs in HRC?

Accepted Answer

21.5 Mohs = 0.21 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 0.21 HRC in Mohs?

Accepted Answer

0.21 HRC = 21.42 Mohs.

Mohs	HRC
15.5 Mohs	0.15
17.5 Mohs	0.17
19.5 Mohs	0.19
21.5	0.21
23.5 Mohs	0.23
25.5 Mohs	0.25
27.5 Mohs	0.27

21.5 Mohs to HRC

Formula (approximate)