Statistics Tools
87 free statistics tools calculators — including Mean, Median, Mode Calculator and Descriptive Statistics Calculator. Instant results in your browser, with the formula shown.
Search Statistics Tools calculators
Sample Size for Mean
Calculate sample size to estimate mean.
Pearson Correlation Coefficient Calculator
Calculate Pearson correlation from 3 points.
Confidence Interval for Mean Calculator
Calculate confidence interval for population mean.
Linear Regression Slope Calculator
Calculate linear regression slope from 4 points.
Descriptive Statistics Calculator - Mean, Median, Mode Online
Calculate descriptive statistics online: mean, median, mode, range, quartiles, IQR and standard deviation in one step. For 2, 4, 4, 4, 5, 5, 7, 9 you get mean 5, median 4.5, mode 4, range 7 and sigma = 2.
Correlation Matrix Calculator
Calculate correlation coefficient matrix.
Weighted Median Calculator
Calculate weighted median of data.
Exponential Smoothing Calculator
Calculate simple exponential smoothing.
Chi-Square Table Calculator
Calculate critical value for Chi-Square test.
Advanced Weighted Mean
Calculate weighted mean with custom weights.
Advanced Geometric Mean
Calculate geometric mean of a number series.
Advanced Harmonic Mean
Calculate harmonic mean.
Advanced Quartile Calculator
Calculate quartiles and IQR.
Combinations nCr Calculator
Calculate number of combinations nCr.
Moving Average Forecast
Calculate moving average for time series forecast.
Advanced Correlation Matrix
Calculate correlation matrix for three variables.
Quartile Calculator (Q1, Q2, Q3)
Calculate quartiles from five numbers.
Cohen's d Effect Size Calculator
Calculate effect size between two groups.
Outlier Detection IQR Calculator
Detect outliers using IQR method.
Standard Error Calculator
Calculate standard error of the mean.
Skewness Coefficient Calculator
Calculate skewness coefficient of data distribution.
Kurtosis Calculator
Calculate kurtosis for 5 values.
Variance Calculator
Free online calculator with instant, accurate results.
Interquartile Range (IQR) Calculator
Free online calculator with instant, accurate results.
Margin of Error Calculator
Free online calculator with instant, accurate results.
Expected Value Calculator
Free online calculator with instant, accurate results.
Weighted Mean Calculator
Free online calculator with instant, accurate results.
Geometric Mean Calculator
Free online calculator with instant, accurate results.
Coefficient of Variation Calculator
Free online calculator with instant, accurate results.
Odds Calculator
Free online calculator with instant, accurate results.
Binomial Probability Calculator
Free online calculator with instant, accurate results.
Five Number Summary Calculator
Free online calculator with instant, accurate results.
Median Calculator
Free online calculator with instant, accurate results.
Mode Calculator
Free online calculator with instant, accurate results.
Range Calculator
Free online calculator with instant, accurate results.
Mean Absolute Deviation Calculator
Free online calculator with instant, accurate results.
Coefficient of Variation Calculator
Free online calculator with instant, accurate results.
Skewness Calculator
Free online calculator with instant, accurate results.
Kurtosis Calculator
Free online calculator with instant, accurate results.
Sum of Squares Calculator
Free online calculator with instant, accurate results.
Moving Average Calculator
Free online calculator with instant, accurate results.
Linear Regression Slope Calculator
Free online calculator with instant, accurate results.
Dataset Statistics Analyzer
Free online tool — fast, accurate results in your browser.
Regression & Scatter Plot Tool
Free online tool — fast, accurate results in your browser.
Probability Distribution Visualizer
Free online tool — fast, accurate results in your browser.
About Statistics Tools
This section gathers 87 free calculators for Statistics Tools on one page. The most popular are Mean, Median, Mode Calculator, Descriptive Statistics Calculator and P-Value Calculator, each running instantly in your browser with the formula and steps shown. The grid also covers Percentage Change Calculator, so most common Statistics Tools questions have a matching tool. Every tool is free with no sign-up, so any number you copy can be verified yourself.
What you can calculate
Mean, Median, Mode Calculator, Descriptive Statistics Calculator, P-Value Calculator, Percentage Change Calculator
Top Statistics Tools Calculators
Mean, Median, Mode Calculator
Calculate the mean, median and mode of any data set at once. For 4, 8, 6, 5, 3, 8: mean = 5.67, median = 5.5, mode = 8.
Standard Deviation Calculator
Calculate standard deviation and variance for any set of numbers, sample or population. For 2, 4, 4, 4, 5, 5, 7, 9 the mean is 5 and the population standard deviation is exactly 2.
Linear Regression Calculator
Calculate linear regression equation and R-squared.
Percentile Calculator
Calculate the percentile rank for any value in a dataset.
Permutation Combination Calculator
Calculate permutations and combinations.
FAQs about Statistics Tools
What is the best calculator in the Statistics Tools category?
The most popular Statistics Tools tools on this site are Mean, Median, Mode Calculator, Descriptive Statistics Calculator and P-Value Calculator, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Statistics Tools calculators free to use?
Yes — all 87 tools in the Statistics Tools category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Statistics Tools category?
The Statistics Tools category currently lists 87 free tools. The most used are Mean, Median, Mode Calculator, Descriptive Statistics Calculator and P-Value Calculator, and all of them are reachable directly from the grid on this page, with no registration required.