Statistics calculators

Probability, sampling, and descriptive statistics made readable.

Means, medians, standard deviations, confidence intervals, and sample size planning — with formulas and worked examples for each tool.

Calculators
103
Topics: All Descriptive (29) Probability (35)
103 results
Statistics / Descriptive

Range Calculator

Compute the range (max − min), along with the minimum, maximum, and count of a list of numbers.

basic
22,914 3.9 1 min
Statistics / Descriptive

Percentile Rank Calculator

Compute the percentile rank of a chosen value within a list of numbers — the percentage of values that fall at or below...

basic
12,041 3.9 1 min