Statistics Calculators
Perform statistical analysis, probability calculations, and data interpretation. Calculate confidence intervals, hypothesis tests, and regression models for evidence-based decision making.
View our calculators
Binomial Distribution Calculator
Calculate probability distributions for binary outcomes. Analyze success probabilities in multiple trials and compute cumulative distributions.
Confidence Interval Calculator
Calculate accurate confidence intervals for population parameters with customizable confidence levels. Ideal for researchers analyzing sample data and making statistical inferences.
Correlation Calculator
Calculate Pearson correlation coefficients and analyze relationships between variables. Determine statistical significance and perform regression analysis.
Flip a Coin
A simple virtual coin flipper that randomly generates heads or tails. Perfect for making quick decisions or settling friendly disputes.
Margin of Error Calculator
Calculate statistical confidence intervals and error margins. Analyze survey accuracy, sample size requirements, and confidence levels.
Mean, Median & Mode Calculator
Analyze data sets with key statistical measures. Calculate central tendency values including mean, median, and mode for comprehensive data analysis.
Probability Calculator
Calculate statistical chances and likelihood of events. Analyze combinations, permutations, and determine odds using probability distributions.
Quartile Calculator
Calculate quartiles (Q1, Q2/median, Q3) and interquartile range (IQR) for your dataset. Understand data distribution and identify potential outliers.
Regression Calculator
Analyze relationships between variables using statistical regression. Calculate trend lines, correlation coefficients, and predict future values.
Sample Size Calculator
Determine optimal sample sizes for research and surveys. Calculate confidence intervals, margin of error, and statistical power requirements.
Standard Deviation Calculator
Analyze data spread and variability in datasets. Calculate variance, standard deviation, and understand statistical distribution patterns.
Z-Score Calculator
Calculate standard scores and analyze data positions in normal distributions. Determine percentiles and probability values using z-scores in statistics.