Free Statistics Tools for Students & Researchers
Interactive calculators and guides to help you get the statistics in your thesis right — no software required.
Interactive calculators and guides to help you get the statistics in your thesis right — no software required.
Calculate the exact number of participants your study needs. Supports t-tests, ANOVA, correlation, chi-square, and regression designs.
Use This Tool →Not sure which test to run? Answer a few quick questions about your data and get a recommendation with APA examples.
Use This Tool →Compute Cohen's d, eta-squared, Cramér's V, or correlation r from your test statistics. Includes benchmarks and APA formatting.
Use This Tool →Enter your p-value and get a plain-English explanation, evidence-strength rating, and a ready-to-paste APA sentence.
Use This Tool →Select your test type, enter the numbers, and get a perfectly formatted APA 7th edition results sentence you can copy into your thesis.
Use This Tool →Upload your data to Academic Stats Agent and get real statistical tests with publication-ready reports — or let our experts handle the entire analysis for you.