Probability Calculators

Statistics, odds, chance, and probability calculators

16 calculators

Calculate the arithmetic mean (average) of a set of numbers

Calculate the median (middle value) of a dataset

Find the most frequently occurring value(s) in a dataset

Calculate standard deviation and variance for a dataset

Calculate variance (average squared deviation from the mean)

Calculate z-score to measure how many standard deviations a value is from the mean

Calculate Pearson correlation coefficient to measure linear relationship between variables

Find the value at a given percentile in a dataset

Calculate range, quartiles (Q1, Q2, Q3), and interquartile range (IQR)

Convert between odds and probability

Calculate permutations for arrangements

Calculate combinations for selections

Calculate expected value in probability

Calculate Z-scores and normal distribution probabilities

Simulate random events and outcomes

Calculate probability of at least X successes