In order to use a sizing unit other than SLOC in the SLIM tools, you must assign a gearing factor. For function points, gearing factors are discussed here. In this article, QSM's Andy Berner addresses ways of choosing a gearing factor for story points.
This article discusses how the SLIM agile bidding solution will save you time and money and allow you to make more informed bidding decisions.
This article discusses multiple applications based on only four measured metrics: size (function), effort, time, and defect rate. From these metrics, we can manage a project.