ISO/IEC 24570:2005
Subscribe to updates

Software engineering -- NESMA functional size measurement method version 2.1 -- Definitions and counting guidelines for the application of Function Point Analysis

(Only available in English)

This standard was last reviewed and confirmed* in 2012.

*Therefore this version remains current


ISO/IEC 24570:2004:

  • specifies a method to measure functional size of software,
  • gives guidelines how to determine the components of functional size of software,
  • specifies how to calculate the functional size as aresult of the method, and
  • gives guidelines for the application of the method.


  • Document published on: 2005-02-15
    Edition: 1 (Monolingual) ICS: 35.080
    Status: Published Stage: 90.60 (2015-09-17)
    TC/SC: ISO/IEC JTC 1/SC 7 Number of Pages: 124
  • This standard has not been revised

  • No corrigenda or amendments available

Related standards

  • PDF

    This format preserves the paper layout, and is watermarked

  • EPUB

    This format allows documents to be read on tablets and smartphones


    Enhanced user-friendly colour PDF format


    See any updates made from previous versions at a glance


    Normally A4 size documents. Shipping costs apply


Swiss francs CHF 198

Add to basket

Got a question?

Check out our FAQs

Email customer services
or call us on +41 22 749 08 88
09:00 – 12:30, 14:00 – 17:00 (UTC+1).