Hardness Conversion Calculator
Hardness Conversion Results
Converted Hardness
Converted result
--
Rockwell Scales
HRC
--
Hard steels, tools
HRB
--
Soft steels, aluminum
HRA
--
Carbides, thin sheets
Other Scales
HB (Brinell)
--
Cast iron, forgings
HV (Vickers)
--
Research, thin sections
Shore D
--
Hard plastics
Hardness Scale Reference
HRC 20-25: Soft steel
HRC 45-50: Medium carbon steel
HRC 58-62: Tool steel
HRC 65+: File hard
HRB 60-85: Soft materials
HRB 85-100: Medium materials
HB 150-200: Mild steel
HB 400+: Hard steel
HV = HB: For most metals
Shore A 20-80: Rubber
Shore D 55-90: Hard plastics
HL 200-900: Portable testing
Quick Reference
What this tool does
Hardness Conversion Calculator
Professional hardness conversion calculator for materials testing. Convert between Rockwell, Brinell, Vickers, Shore, and other hardness scales with precision.
How the calculation works
Enter the requested values and the tool applies the relevant formula to produce the result and supporting breakdown.
Part of Specialized Measurement Conversion Tools.
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