Dear all I"m calculating bulk modulus for a system with PWscf. As you know Etot unit is Ry and V unit is a,u.^3. how can I find (K0 and K'0) bulk modulus in Gpa unit. Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20090411/69fbe774/attachment.htm