Alcoholic drinks are generally from $9 to $15, with some wines and whiskeys a little more, like $16-19. The drink package includes everything up to $15. So, you can do a basic calculation based on what the package costs and how many drinks a day you purchase. We got the drink package as a promo, and it didn't really reduce the cruise price much to delete it, so it was well worth it for us. YMMV.