How to calculate Defect Density ?

Defect Density metric is the ratio of Total number of defects found in the application to the Total number of test cases executed for the release. It is calculated at the test execution phase. Application Defect Density metric is used to check the stability of the application.

How to calculate the Defect Density:

Defect Density = (Total number of defects found in the application / Total Number of test cases executed for the release)

Example:

Total number of defects found in the application	Total Number of test cases executed for the release	Defect Density
16	200	0.08

Defect Density = 16 / 200

                         = 0.08 / Test Case