Question 1

What is 382.5 HRB in HV?

Accepted Answer

382.5 HRB = 688.5 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 688.5 HV in HRB?

Accepted Answer

688.5 HV = 382.5 HRB.

HRB	HV
367.5 HRB	661.5
372.5 HRB	670.5
377.5 HRB	679.5
382.5	688.5
387.5 HRB	697.5
392.5 HRB	706.5
397.5 HRB	715.5

382.5 HRB to HV

Formula (approximate)