Question 1

What is 247.5 HRB in HV?

Accepted Answer

247.5 HRB = 445.5 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 445.5 HV in HRB?

Accepted Answer

445.5 HV = 247.5 HRB.

HRB	HV
232.5 HRB	418.5
237.5 HRB	427.5
242.5 HRB	436.5
247.5	445.5
252.5 HRB	454.5
257.5 HRB	463.5
262.5 HRB	472.5

247.5 HRB to HV

Formula (approximate)