This is a easy chi-square calculator for a contingency table that has up to five rows and five columns (for alternative chi-square calculators, see the column to your right). The calculation …

This calculator compares observed and expected frequencies within (up to 20) categories using the chi-square test. Enter the names of the categories into the first column, then enter the …

Accurately determine Chi-Square values for categorical studies with our easy-to-use Chi-Square calculator, essential for statistical analysis and research.

You can use this chi-square calculator as part of a statistical analysis test to determine if there is a significant difference between observed and expected frequencies.

Perform Chi-Square hypothesis tests instantly with our free online calculator. Conduct tests for independence (contingency table analysis) or goodness-of-fit by entering your observed and …

Are the groups different by random chance? The Chi-Square Test helps us decide.

Use this chi-square calculator to test relationships between categorical variables. It computes the Pearson’s chi-square statistic by comparing your observed counts to the values you would …

Run chi-square goodness-of-fit tests, chi-square tests of independence, compute p-values from a given χ 2 and degrees of freedom, and look up right-tail critical values – all in one unified …

A simple and accurate Chi-Square Calculator to compute χ² values instantly. Ideal for statistics students, researchers, and data analysts.

Run chi-square tests easily with our Chi Square Calculator. Get instant results for independence, homogeneity, and fit analysis.