Frequency Distribution Calculator
StatisticsOrganizes data into classes and shows the frequency (count) of observations in each class.
How to use this calculator
Start with your values, or try a preset.
Enter Number of Classes, Minimum Value in Data, and Maximum Value in Data in the units shown.
Read Class Width and Class Intervals (Example) in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
Explore More Math & Statistics Calculators
Use calculators for algebra, geometry, trigonometry, probability, statistics, averages, z-scores, tests, and graphing tasks.
Related Calculators
Continue with another tool on a related topic.
T-Test Calculator
Performs a t-test (one-sample, two-sample, or paired) to compare means and determine statistical significance.
Inverse Normal Distribution Calculator
Finds the Z-score corresponding to a given cumulative probability (percentile) on a normal distribution.
Chi-Square Calculator
Calculates the Chi-Square statistic and p-value for goodness-of-fit or test of independence. It requires observed and expected frequencies or values.
Outlier Calculator
Identifies potential outliers in a dataset using the IQR * 1.5 rule (calculating fences).