Chi-Square Calculator

Note: You can find further information about this calculator, here.

This is a chi-square calculator for a simple 2 x 2 contingency table (for alternative chi-square calculators, see the column to your right).

The first stage is to fill in the group and category information. So, for example, if you have collected data on smoking habits, and want to find out whether smoking is related to gender, you could have "Male" and "Female" as the two groups, and "Smoking" and "Non-Smoking" as the two categories.


Please enter group and category values.


Alternative Chi-Square Calculators

5 x 5 (or less) contingency table

Fisher exact test

Goodness of fit calculator

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