Resource Center
Hardness Conversion Scales
We make it easy for you to convert between Rockwell A (HRA) and Rockwell C (HRC) values.
View the Rockwell Hardness Scale
If you prefer to use Vickers Hardness Scales, the conversion chart listing equivalent HV10, HV30 and HRA figures should give you the answers you need.
View the Vickers Hardness Scale
Rockwell Hardness Scale (PDF)
Convert between Rockwell A (HRA) and Rockwell C (HRC)
Vickers Hardness Scale (PDF)
Convert between HV10, HV30 and HRA
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