Question 1

What is 104.5 HRB in HV?

Accepted Answer

104.5 HRB = 188.1 HV. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HRB to HV?

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 HRB value by the appropriate factor to get HV, or use the interactive converter above.

Question 3

What is 188.1 HV in HRB?

Accepted Answer

188.1 HV = 104.5 HRB.

HRB	HV
89.5 HRB	161.1
94.5 HRB	170.1
99.5 HRB	179.1
104.5	188.1
109.5 HRB	197.1
114.5 HRB	206.1
119.5 HRB	215.1

104.5 HRB to HV

Formula (approximate)