Hardness Conversion Calculator

This hardness converter helps engineers, metallurgists, machine shops and quality control professionals convert between HRC, HRB, HB, HV, HK and other hardness scales using ASTM E140 conversion tables.

Supported Hardness Scales

Rockwell Hardness (HRC, HRB, HRA)

Brinell Hardness (HB)

Vickers Hardness (HV)

Knoop Hardness (HK)

Superficial Rockwell Scales

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Hardness Converter

Convert HRC, HRB, HB, HV and other

HRC • HRB • HB • HV

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