I built a free website with 90+ statistical calculators (and non-parametric tests, probability distributions, etc.) - completely free, no account needed.
Hey r/stats,
I wanted to share a personal project I’ve been working on: statistical-calculators.site.
It’s a web-based platform with over 90 free statistical calculators designed to make life easier for students, researchers, and data analysts.
What’s inside?
- Hypothesis Testing: One/Two sample t-tests, One-Way & Two-Way ANOVA, Chi-Square (Independence & Goodness of fit).
- Probability Distributions: Normal, Binomial, Poisson, Geometric, Exponential, and Uniform distributions.
- Non-Parametric Tests: Wilcoxon Signed Rank, Mann-Whitney, Kruskal-Wallis, Fisher's exact test, and McNemar.
- Regression & Correlation: Simple & Multivariate Linear Regression, Pearson, Spearman, Kendall's rho, and Cramer's V.
- Descriptive Stats & Intervals: Confidence intervals (proportions, means, variances), frequency tables, histograms, and basic plots.
- Plus some extra daily tools like BMI, finance, and geometry calculators.
- And much much more; in statistics, but not just statistics.
Why I made it: I wanted to create something straightforward that runs directly in the browser with zero barriers:
- 100% Free
- No registration / No account required
- No software installation needed
Multi-language support: Most calculators are fully accessible in English and French, and I'm currently working on expanding the Spanish version as well (you can toggle languages right on the site) .
I would honestly love to get your feedback! Are there any specific features, UI tweaks, or additional calculators you think are missing?
Would love to hear what you think;
Thank you so much!