Question 1

What is 274.5 HRB in HV?

Accepted Answer

274.5 HRB = 494.1 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 494.1 HV in HRB?

Accepted Answer

494.1 HV = 274.5 HRB.

HRB	HV
259.5 HRB	467.1
264.5 HRB	476.1
269.5 HRB	485.1
274.5	494.1
279.5 HRB	503.1
284.5 HRB	512.1
289.5 HRB	521.1

274.5 HRB to HV

Formula (approximate)