IRIS metrics are designed to measure the social, environmental, and financial performance of an investment.
In addition to the online catalog, many users find these Excel files useful in developing their templates and designing their impact measurement program. You can also find previous versions of the catalog, and guides for updating your metric selections.
The complete version of the IRIS 5.0 Standards, released in May 2019.
A guide for users upgrading from IRIS 4.0 to 5.0.
The complete version of the IRIS 4.0 Standards, released in March 2016
A guide for users upgrading from IRIS 3.0 to 4.0.
The complete version of the IRIS 3.0 Standards, released in March 2014
A guide for users upgrading from IRIS 2.2 to 3.0.
The complete version of the IRIS 3.0 Standards in XBRL format, released in June 2014
The complete version of the IRIS 2.2 Standards, released in November 2011
The complete version of the IRIS 2.2 Standards, in Spanish
A guide for users upgrading from IRIS 2.1 to 2.2.
The complete version of the IRIS 2.1 Standards, released in February 2011
A guide for users upgrading from IRIS 2.0 to 2.1.
The complete version of the IRIS 2.0 Standards, released in September 2010
A guide for users upgrading from IRIS 1.0 to 2.0.
The complete version of the IRIS 1.0 Standards, released in September 2009