Statistics Calculators

Free to use • No sign-up required • Instant results

Perform statistical calculations quickly and accurately with our collection of free, easy-to-use web calculators. Whether you need basic descriptive statistics or advanced dataset analysis, our tools are designed to give you exactly what you need without the clutter. Just paste your data and get your answers.

Why use these calculators?

• Instant calculations: Results update immediately as you enter your data.
• Smart data parsing: Copy and paste messy data — our tools automatically filter out text and spaces to find your numbers.
• Privacy-first: All calculations happen directly in your browser. Your data is never uploaded or saved to our servers.
• Mobile-friendly: Clean, responsive designs that work perfectly on your phone, tablet, or desktop.

Whether you’re checking your homework, analysing real-world data, or just need a quick calculation on the go, these tools are built to save you time.

Descriptive Statistics

• Measures of Central Tendency Calculator
• Measures of Dispersion Calculator
• Frequency Distribution
• Confidence Interval Calculator

Probability & Distributions

• Normal Distribution Calculator
• Binomial Distribution Calculator
• Permutations and Combinations

Hypothesis Testing

• T-Test Calculator (One-sample, Independent, Paired)
• Chi-Square Test Calculator
• One-Way ANOVA
• Z-Test for Proportions Calculator
• Effect Size Calculator (Cohen’s d)

Correlation and Regression

• Linear Regression and Correlation Calculator
• Multiple Linear Regression
• Spearman’s Rank Correlation

Experiment Design (For Samples and Surveys)

• Sample Size Estimation Calculator

Non Parametric Methods

• Mann-Whitney U Test Calculator
• Wilcoxon Signed Rank Test Calculator

Time Series Calculator

• Time Series Smoothing & Forecasting Calculator