This white paper is the first in the DITA Metrics series. The series will discuss cost metrics, reuse metrics, and a reuse strategy. This paper is the first in the DITA Metrics series. It describes one model for calculating the cost of a DITA project. After doing some content analysis on your own documentation set, you can customize this cost model to suit your documentation project needs. In the end, you should be able to speak the financial language of managers and prove to them in dollar signs the value of moving to DITA.