When I try to frame a cost estimate for breaking a password I try to do it in terms of how many Bitcoin could be mined by a similar method. I figure, if a hacker could mine a couple billion dollars in bitcoin instead of my password then that's fine, they will probably make the obvious choice and go for the bitcoin instead of my social media accounts. A government or corporation may want something more along the lines of $100 trillion but that's just a couple more characters.
However, I do like BCrypt.