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Statistics calculators

Statistical calculators for probability, distributions, hypothesis testing, and data analysis.

158 calculators52 Popular

Popular in Statistics

📊Mean, Median, Mode 📈Standard Deviation 📊Variance Calculator 📈Z-Score Calculator 📊T-Test Calculator 📈Correlation Calculator

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Showing 1-12 of 158 calculators

Basic Probability

P(A) = n/N

Bayes Calculator

Bayesian probability

Bayes' Theorem

P(A|B) from P(B|A)

Binomial Test Calculator

Binomial proportion test

Box Plot Calculator

Box and whisker

Central Limit Theorem

CLT demonstration

Cluster Analysis

Data clustering

Cohen's D Calculator

Standardized difference

Compound Probability

P(A and B), P(A or B)

Confidence Interval

95% CI calculator

Correlation Calculator

Calculate correlation

Effect Size Calculator

Cohen's d, etc.

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Free Statistics Calculators Online

Use 158+ free statistics calculators for quick estimates, formulas, conversions, and step-by-step checks. Popular tools include Mean, Median, Mode, Standard Deviation, Variance Calculator.

What you can calculate

Compare common statistics values and formulas in seconds.
Open focused tools such as Mean, Median, Mode, Standard Deviation, Variance Calculator without creating an account.
Use clear inputs, instant results, and related calculators for deeper checks.

Are these statistics calculators free?

Yes. All 158+ statistics calculators on Calculator Pro are free to use online.

Do I need to sign up to use statistics tools?

No signup is required. Open a calculator, enter your values, and get results in your browser.

Which statistics calculator should I use first?

Start with the calculator that matches your task, then use the related calculators on the page to check nearby formulas or conversions.

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