Krippendorff's Alpha Calculator -
K-Alpha Calculator

K-Alpha Calculator, Krippendorff's Alpha Calculator, is a free, user-friendly online web application designed to calculate Krippendorff's Alpha inter-rater/inter-coder reliability coefficient. 

Suitable for researchers, analysts, students, and professionals in various fields, the K-Alpha Calculator simplifies the complexities of assessing the agreement among raters by providing a free, quick, and easy-to-use web interface.
K-Alpha Calculator is an open-source tool operating client-side in the user's browser, ensuring no data storage or collection.
The K-Alpha Calculator's accuracy is validated in a peer-reviewed article, confirming the precision of its algorithms. The source code is available on GitHub.

The K-Alpha Calculator

The K-Alpha Calculator is designed to function with data obtained from at least two raters using nominal, ordinal, interval, or ratio data. The K-Alpha Calculator should preferably be used via a desktop computer.

To prepare a readable .csv file, please refer to the Usage Notes, where sample data files are available. 

To interpret the results of Krippendorff's Alpha and access a methodological template, please refer to Methodological Notes.