Question 1

What is 221.5 HV in HRC?

Accepted Answer

221.5 HV = 21.72 HRC. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HV 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 HV value by the appropriate factor to get HRC, or use the interactive converter above.

Question 3

What is 21.72 HRC in HV?

Accepted Answer

21.72 HRC = 221.5 HV.

HV	HRC
206.5 HV	20.25
211.5 HV	20.74
216.5 HV	21.23
221.5	21.72
226.5 HV	22.21
231.5 HV	22.7
236.5 HV	23.19

221.5 HV to HRC

Formula (approximate)