COCOMO
COnstructive COst MOdel

Reference: Software Measurement Guidebook, Revision 1, June 1995, Software Engineering Laboratory Series, NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771

Introduction

The COCOMO (Constructive Cost) Model is one of the most widely employed holistic models, developed by Barry W. Boehm (picture) in 1981. The effort in labor months for software projects can be estimated. There are three modes or application types in the COCOMO model: organic, semidetached, and embedded.

Basically the following formula is taken for the calculation:



Legend:
  • The effort will be determined in labor months (LM)
  • a and b are values according to the modes of the COCOMO model
  • KDSI is thousands of delivered source instructions
  • The c values are cost multiplier factors

    Calculate the Effort for a Project

    If you want to know the effort for a project just calculate it by filling out the forms offered here !!!



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