Question 1

What is 543.5 HRB in HV?

Accepted Answer

543.5 HRB = 978.3 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 978.3 HV in HRB?

Accepted Answer

978.3 HV = 543.5 HRB.

HRB	HV
528.5 HRB	951.3
533.5 HRB	960.3
538.5 HRB	969.3
543.5	978.3
548.5 HRB	987.3
553.5 HRB	996.3
558.5 HRB	1,005.3

543.5 HRB to HV

Formula (approximate)