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 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.

To Cite K-Alpha Calculator 

APA

Marzi, G., Balzano, M., & Marchiori, D. (2024). K-Alpha Calculator—Krippendorff's Alpha Calculator: A User-Friendly Tool for Computing Krippendorff's Alpha Inter-Rater Reliability Coefficient. MethodsX, 12, 102545. https://doi.org/10.1016/j.mex.2023.102545


MLA

Marzi, Giacomo, Marco Balzano, and Davide Marchiori. 2024. "K-Alpha Calculator—Krippendorff's Alpha Calculator: A User-Friendly Tool for Computing Krippendorff's Alpha Inter-Rater Reliability Coefficient." MethodsX,  vol. 12, 2024, art. 102545, https://doi.org/10.1016/j.mex.2023.102545


IEEE

G. Marzi, M. Balzano, and D. Marchiori, "K-Alpha Calculator—Krippendorff's Alpha Calculator: A User-Friendly Tool for Computing Krippendorff's Alpha Inter-Rater Reliability Coefficient," MethodsX, vol. 12, Art. no. 102545, 2024.  Available:  https://doi.org/10.1016/j.mex.2023.102545

Marzi-Balzano-Marchiori_K-Alpha_MethodsX-2024.pdf

Video Tutorial

YouTube

A video tutorial will be available soon.