How do you convert Shore D Durometer Hardness to Rockwell Hardness?

http://www.matweb.com/reference/shore-hardness.aspx

http://www.machinist-materials.com/hardness.htm DB-Calgary

You don't convert Shore to Barcol or reverse. They aren't directly related, that's why you can't find any references for it. Shore D is a "softness" measure and Barcol is a "hardness" measure. The...

Mohs hardness is not really convertible to Rockwell hardness. The hardness tested by the Mohs scale is the ability of a mineral to scratch or be scratched another mineral. Rockwell hardness is more...

Converting between different hardness scales is not an exact science, but there are many charts available that will show the approximate relationship between different scales. One chart is available...