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how do I convert C.U.P. into PSI?
C.U.P. is copper units of pressure
PSI is pound per square inch
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- 1 decade agoFavorite Answer
C.U.P. cannot be directly converted to PSI without testing. Some devices can have a C.U.P that is similar to the PSI, but mostly the C.U.P is lower. C.U.P. is only used in determining the pressure in firearms whereas PSI us a universal measurement of pressure.
Source(s): http://www.reloadbench.com/gloss/cuppsi.html
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