Featured
Arithmetic Mean
Calculate the arithmetic average of a numeric list.
Mathematics & Statistics
Explore Mathematics & Statistics tools designed for focused online tasks. Compare related utilities, review each tool's inputs and examples, and choose the option that matches your workflow.
Available tools
Choose what you need.
Showing 25 of 25 tools in this category.
Featured
Median Calculator
Calculate the middle value of an ordered numeric list.
Featured
Mode Calculator
Find the most frequent value or values in a numeric list.
Free tool
Range Calculator
Report the minimum, maximum and numeric range.
Free tool
Variance Calculator
Calculate population or sample variance.
Free tool
Standard Deviation Calculator
Calculate population or sample standard deviation.
Free tool
Geometric Mean Calculator
Calculate the geometric mean of positive values.
Free tool
Harmonic Mean Calculator
Calculate the harmonic mean of non-zero values.
Free tool
Descriptive Statistics
Summarize count, sum, quartiles, mean, median, variance and deviation.
Free tool
Percentile Calculator
Estimate a percentile using linear interpolation between sorted values.
Free tool
Quartile Calculator
Calculate Q1, median, Q3 and interquartile range.
Free tool
Z-score Calculator
Calculate how many standard deviations a value is from a mean.
Free tool
Weighted Average Calculator
Calculate an average where each value has a corresponding weight.
Free tool
Factorial Calculator
Calculate n factorial for integers from 0 to 170.
Free tool
Permutation Calculator
Calculate ordered selections nPr.
Free tool
Combination Calculator
Calculate unordered selections nCr.
Free tool
GCD and LCM Calculator
Calculate greatest common divisor and least common multiple.
Free tool
Prime Number Checker
Check whether a bounded integer is prime.
Free tool
Prime Factorization
Decompose an integer into its prime factors.
Free tool
Linear Interpolation Calculator
Interpolate a y value between two coordinate points.
Free tool
Percentage Error Calculator
Compare a measured value with an actual value.
Free tool
Ratio Simplifier
Reduce an integer ratio using the greatest common divisor.
Free tool
Scientific Notation Converter
Format a finite number in scientific and engineering notation.
Free tool
Significant Figures Rounding
Round a finite number to a selected number of significant figures.
Free tool
Pearson Correlation Calculator
Calculate the Pearson correlation coefficient for paired series.
No matching tools found.
Try another keyword.