Math & Numbers
Calculate mean absolute deviation around the mean or median for an easy-to-read spread measure
mean-absolute-deviation-calculatorMath & Numbers
Calculate sample standard deviation from sample variance using the n - 1 denominator
sample-standard-deviation-calculatorMath & Numbers
Calculate sample variance with the n - 1 denominator for estimating spread from a sample dataset
sample-variance-calculatorMath & Numbers
Calculate sample and population standard deviation, variance, coefficient of variation, and sigma intervals
standard-deviation-calculatorMath & Numbers
Calculate the harmonic mean of positive values, with optional arithmetic and geometric mean comparison
harmonic-mean-calculatorMath & Numbers
Calculate a trimmed mean by removing the same percentage of low and high values before averaging
trimmed-mean-calculatorMath & Numbers
Calculate sample variance, population variance, and optional standard deviation for a numeric dataset
variance-calculatorMath & Numbers
Calculate a winsorized mean by capping extreme low and high values before averaging
winsorized-mean-calculatorMath & Numbers
Calculate the midrange of a numeric dataset as the average of its minimum and maximum values
midrange-calculatorMath & Numbers
Calculate the statistical range of a numeric dataset from its minimum and maximum values
range-calculatorMath & Numbers
Calculate a weighted average from paired values and weights, with contribution and normalized weight details
weighted-average-calculatorMath & Numbers
Calculate the arithmetic mean of a numeric dataset and review the main supporting statistics
mean-calculator