Mean, median, deviation and data analysis calculators. — 13 free tools.
Calculate the arithmetic mean of a data set.
★Find the median (middle value) of a data set.
★Find the mode (most frequent value) of a data set.
★Find the range (max minus min) of a data set.
★Calculate population and sample variance.
★Calculate population and sample standard deviation.
★Add up a list of numbers and get the total and count.
★Calculate the geometric mean of positive numbers.
★Calculate the harmonic mean of a data set.
★Find the midrange (average of min and max).
★Calculate the root mean square of a data set.
★Calculate the coefficient of variation (CV).
★Calculate the z-score (standard score) of a value.
Browse CalculatorFC tools in this topic. Each calculator includes a clear formula, examples, FAQs, schema markup, related internal links and practical guidance for users, Google Search and AI answer engines.
Author: CalculatorFC Editorial Team
Reviewed by: CalculatorFC Accuracy Review Desk
Last updated: June 23, 2026
Editorial policy: We explain formulas, assumptions, limitations and examples in plain language and update pages when methods, rates or standards change.
Fact-checking policy: Calculator formulas are reviewed against standard mathematical, financial, scientific or public reference methods where applicable.
Sources: Standard formulas, official government references where relevant, public methodology references and calculator-specific documentation.
Trust links: About Us · Contact · Privacy Policy · Terms · Disclaimer