Question 1

What is 188.5 HRB in HV?

Accepted Answer

188.5 HRB = 339.3 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 339.3 HV in HRB?

Accepted Answer

339.3 HV = 188.5 HRB.

HRB	HV
173.5 HRB	312.3
178.5 HRB	321.3
183.5 HRB	330.3
188.5	339.3
193.5 HRB	348.3
198.5 HRB	357.3
203.5 HRB	366.3

188.5 HRB to HV

Formula (approximate)