Directory
All calculators & guides
Every free crosstab and categorical-statistics tool on crosstabs.com. No signup, no install — each one runs in your browser. Open the workspace →
Calculators
Run a test on your own data, free.
- Crosstab MakerBuild cross-tabulation tables online from spreadsheet data, free.
- Cross-Tabulation CalculatorCross-tabulate two categorical variables with counts, percentages, and tests.
- Survey Crosstab ToolCross-tabulate survey responses with banners, weights, and significance flags.
- Contingency Table CalculatorBuild contingency tables and run chi-square, Fisher's exact, and odds ratios.
- Chi-Square CalculatorChi-square test of independence with p-value, degrees of freedom, and Cramér's V.
- Fisher's Exact TestExact test for 2×2 tables and small samples where chi-square assumptions fail.
- Cramér's V CalculatorEffect-size measure for chi-square; how strong the association is, from 0 to 1.
- Odds Ratio CalculatorOdds ratio with 95% confidence interval for 2×2 contingency tables.
- Excel Crosstab ToolCreate crosstabs directly from XLSX files in your browser — free, no install.
- SPSS Crosstab AlternativeA free, browser-based alternative to SPSS for survey crosstabs and chi-square.
- Market Research CrosstabsSurvey banner tables, weighting, and exports for market research, free.
Statistical measures
Effect sizes and association measures, with formulas and worked examples.
- Phi Coefficient CalculatorPhi (φ) — association strength for a 2×2 table; equals Cramér's V when 2×2.
- Contingency Coefficient CalculatorPearson's C — chi-square-based association that cannot quite reach 1.
- G-Test CalculatorLikelihood-ratio chi-square (G-test) of independence for contingency tables.
- Goodman & Kruskal's Lambda CalculatorLambda (λ) — proportional reduction in error for predicting one variable from another.
- Goodman & Kruskal's Gamma CalculatorGamma (γ) — ordinal association from concordant and discordant pairs.
- Kendall's Tau CalculatorKendall's tau-b and tau-c — ordinal association corrected for ties and table shape.
- Somers' d CalculatorSomers' d — asymmetric ordinal association with a designated dependent variable.
- Uncertainty Coefficient (Theil's U) CalculatorTheil's U — entropy-based measure of how much one variable predicts another.
Comparisons & decision guides
Pick the right test and understand how measures differ.
- Chi-Square vs Fisher's Exact TestWhen to use the chi-square approximation versus Fisher's exact test.
- Cramér's V vs Phi CoefficientHow Cramér's V and phi relate, and which effect size to report.
- Odds Ratio vs Risk RatioThe difference between odds ratios and risk (relative) ratios, and when each fits.
- Which Statistical Test Should I Use?A decision guide for choosing a test for categorical and crosstab data.
Guides
How crosstabs work and how to read them.
- All calculators & guidesBrowse every crosstabs.com calculator, measure explainer, and comparison guide.
- About crosstabs.comWhat crosstabs.com is, who it's for, and how its statistics are computed and verified.
- How to Read a CrosstabA plain-language guide to reading cross-tabulation tables and their statistics.
- MethodsHow crosstabs.com computes each statistic, with formulas and references.
- Sample datasetsExample datasets and walkthroughs for trying crosstabs.