National Aeronautics and Space Administration

Glenn Research Center

COCOMO Calculation

This form must be completed in one session. If you have any questions about this form, please send email to
strs-repository-manager@lists.nasa.gov
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Acronyms used below:
  VL = Very Low
   L = Low
   N = Nominal
   H = High
  VH = Very High
  XH = eXtra High
Note that the buttons below can be clicked for more (popup) information. More instructions below.

Product Attributes

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Computer Attributes

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Personnel Attributes

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Project Attributes

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New (Values are probably wrong)

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This application derives the COCOMO software engineering metric as found in Robert Pressman's "Software Engineering, A Practitioner's Approach", (McGraw-Hill,97). Also see Boehm, "Software Engineering Economics".

INSTRUCTIONS: Choose a mode for your project based on the criteria above by selecting a corresponding radio button. Then enter the estimated lines of code in the SLOC input text box. To see your result, simply hit the "calculate COCOMO" button. If you enter anything other than a number, you will be shown a prompt informing you so. You will then be taken to the results page, so that you can, if desired, see the coefficients for the mode that you selected. The results, however, will be read "NaN" and will be bogus. Hit the "back" button on your browser, select the "reset" button, re-select the mode and enter a number in the SLOC text box and finally hit the "calculate COCOMO" button.

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