Statistics
191 Free Calculators 📊
What are the chances of winning the lottery? What is the risk of doing this? How many times do I have to roll a dice to get the number I want? All these questions are statistics problems. We provide simple statistics calculators to help you make better decisions and solve problems faster. From the odds calculator to the probability calculator, you'll always find a useful tool in our collection. So help us help you solve statistics problems, and you will learn something new and valuable!
🎲 Probability🔔 Distributions📊 Descriptive Stats📉 Regression🧪 Hypothesis Testing
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Probability Theory and Odds Calculators
37 calculators
Accuracy Calculator
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ANOVA Calculator
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Bayes' Theorem Calculator
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Bertrand's Box Paradox
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Bertrand's Paradox
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Birthday Paradox Calculator
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Boy or Girl Paradox
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Chebyshev's Theorem Calculator
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Coin Flipper
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Coin Flip Probability Calculator
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Coin Toss Streak Calculator
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Combination Calculator
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Conditional Probability Calculator
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Confusion Matrix Calculator
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Dice Average Calculator
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Dice Probability Calculator
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Dice Roller Calculator
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Expected Value Calculator
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False Positive Paradox Calculator
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Implied Probability Calculator
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Joint Probability Calculator
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Lottery Calculator
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Monty Hall Problem Calculator
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Odds Calculator
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Parrondo's Paradox Calculator
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Password Combination Calculator
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Permutation Calculator
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P-Hat Calculator
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Post-Test Probability Calculator
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Probability Calculator
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Probability of 3 Events Calculator
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Random Number Generator
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Relative Risk Calculator
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Risk Calculator
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Roulette Payout Calculator
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Sensitivity and Specificity Calculator
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Two Envelopes Paradox Calculator
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Distributions and Plots Calculators
33 calculators
Benford's Law Calculator
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Beta Distribution Calculator
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Binomial Distribution Calculator
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Box Plot Calculator
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Central Limit Theorem Calculator
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Chi-Square Calculator
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Class Width Calculator
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Confidence Interval Calculator
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Continuity Correction Calculator
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Dot Plot Calculator
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Empirical Rule Calculator
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Exponential Distribution Calculator
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Exponential Growth Prediction Calculator
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Frequency Distribution Calculator
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Frequency Polygon Calculator
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Geometric Distribution Calculator
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Histogram Calculator
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Hypergeometric Distribution Calculator
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Inverse Normal Distribution Calculator
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Lognormal Distribution Calculator
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Negative Binomial Distribution Calculator
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Normal Distribution Calculator
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Normal Probability Calculator for Sampling Distributions
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Pie Chart Calculator
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Poisson Distribution Calculator
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Rayleigh Distribution Calculator
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Relative Frequency Calculator
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Sampling Distribution of the Sample Proportion Calculator
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SMp(x) Distribution Calculator
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Stem and Leaf Plot Calculator
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Uniform Distribution Calculator
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Upper Control Limit Calculator
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Weibull Distribution Calculator
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Descriptive Statistics Calculators
46 calculators
5 Number Summary Calculator
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Average Rating Calculator
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Coefficient of Variation Calculator
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Cohen's D Calculator
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Constant of Proportionality Calculator
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Correlation Coefficient Calculator
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Correlation Coefficient Calculator (Matthews)
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Covariance Calculator
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Decile Calculator
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Descriptive Statistics Calculator
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Dispersion Calculator
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Error Propagation Calculator
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Grouped Data Standard Deviation Calculator
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Index of Qualitative Variation Calculator
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IQR Calculator — Interquartile Range
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Least to Greatest Calculator
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Mean Absolute Deviation Calculator
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Mean Median Mode Calculator
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Median Calculator
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Median Absolute Deviation Calculator
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Midrange Calculator
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Minimum and Maximum Calculator
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Mode Calculator
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MSE Calculator — Mean Squared Error
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Outlier Calculator
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Pearson Correlation Calculator
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Percentile Calculator
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Percentile Rank Calculator
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Pooled Standard Deviation Calculator
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Population Variance Calculator
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Process Capability Index Calculator
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Quartile Calculator
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Range Calculator
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Relative Standard Deviation Calculator
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RSE Calculator — Relative Standard Error
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Simpson's Diversity Index Calculator
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Skewness Calculator
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Spearman's Correlation Calculator
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Standard Deviation Calculator
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Standard Deviation Index Calculator
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Standard Deviation of Sample Mean Calculator
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Standard Error Calculator
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Sum of Squares Calculator
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Upper and Lower Fence Calculator
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Variance Calculator
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Venn Diagram Calculator
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Inference, Regression, and Statistical Tests Calculators
31 calculators
Absolute Uncertainty Calculator
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AB Test Calculator
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Bonferroni Correction Calculator
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Coefficient of Determination Calculator (R-squared)
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Critical Value Calculator
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Cubic Regression Calculator
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Degrees of Freedom Calculator
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Exponential Regression Calculator
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Fisher's Exact Test Calculator
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F-statistic calculator
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Hypothesis Testing Calculator
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Linear Regression Calculator
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Margin of Error Calculator
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McNemar's Test Calculator
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Normal Approximation Calculator
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Point Estimate Calculator
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Polynomial Regression Calculator
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Power Analysis Calculator
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p-value Calculator
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Quadratic Regression Calculator
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Raw Score Calculator
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Relative Error Calculator
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Residual Calculator
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Sampling Error Calculator
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t-statistic Calculator
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t-test Calculator
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Mann-Whitney U Test Calculator
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Wilcoxon Rank-Sum Test Calculator
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Youden Index Calculator
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Z-score Calculator
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Z-test Calculator
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Other Statistics Calculators
2 calculators
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Redundant Calculators
42 calculators • Alternative versions for easier discovery
10 Sided Dice Roller Calculator
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2 Dice Roller Calculator
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4-Sided Dice Roller Calculator
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6 Sided Dice Probability Calculator
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6 Sided Dice Roller Calculator
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90% Confidence Interval Calculator
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95% Confidence Interval Calculator
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99% Confidence Interval Calculator
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AND Probability Calculator
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Ascending Order Calculator
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Combination without Repetition Calculator
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Combinations with Repetition Calculator
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Custom Dice Roller Calculator
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D100 Dice Roller Calculator
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D20 Dice Roller Calculator
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Decimal Odds Calculator
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Decimal Random Number Generator
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DnD Dice Roller Calculator
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False Positive Calculator
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First Quartile Calculator
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Fractional Odds Calculator
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Greatest To Least Calculator
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Least to Greatest Decimals Calculator
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Lower Fence Calculator
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Moneyline Odds Calculator
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Order from Least to Greatest Calculator
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Ordering Decimals Calculator
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Ordering Numbers Calculator
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OR Probability Calculator
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Permutation without Repetition Calculator
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Permutation with Repetition Calculator
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Pie Chart Angle Calculator
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Pie Chart Percentage Calculator
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Possible Combinations Calculator
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Probability Fraction Calculator
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Quartic Regression Calculator
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Random Dice Roller
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Sensitivity Calculator
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Specificity Calculator
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Third Quartile Calculator
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Two Dice Probability Calculator
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Upper Fence Calculator
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Master Statistics & Probability
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Make Better Decisions
Use data-driven insights for smarter choices
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Analyze Data
Understand patterns and trends in your data
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Research Tools
Professional statistical analysis tools
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Learn & Practice
Educational tools for students and teachers
Complete Statistics Toolkit
Who knows? Maybe you will learn how to convince your friends to bet on almost impossible things (that only you know are almost impossible ;)). Our comprehensive collection of 191 statistics calculators covers everything from basic probability and dice rolling to advanced hypothesis testing, regression analysis, and statistical distributions.
Whether you're a student learning statistics for the first time, a researcher conducting experiments, a data scientist analyzing trends, or just curious about the odds of everyday events, our calculators make complex statistical concepts accessible and easy to understand. Each calculator includes clear explanations and formulas to help you learn as you calculate.
For Students & Educators
- ✓ Probability theory and combinatorics
- ✓ Statistical distributions (Normal, Binomial, Poisson, etc.)
- ✓ Descriptive statistics (Mean, Median, Mode, SD)
- ✓ Hypothesis testing and p-values
- ✓ Confidence intervals and margin of error
- ✓ Correlation and regression analysis
For Researchers & Analysts
- ✓ Statistical significance testing (t-test, Chi-square, ANOVA)
- ✓ Linear and polynomial regression
- ✓ Sample size and power analysis
- ✓ Data visualization (histograms, box plots, pie charts)
- ✓ Advanced distributions (Weibull, Lognormal, Beta)
- ✓ Outlier detection and error analysis
📊 Fun Fact: Statistics isn't just about numbers – it's about understanding uncertainty and making informed decisions! From predicting election outcomes to optimizing business strategies, from medical research to sports analytics, statistics powers the modern world. Our calculators help you harness this power, whether you're solving homework problems or conducting groundbreaking research!