Kurtosis Calculator

Calculate both kurtosis and relative kurtosis (excess kurtosis) to measure the relative weight of your distribution's tails. Identify if your data has more or fewer extreme values compared to a normal distribution.

Input data

Please load data to configure the calculator

How to Calculate Kurtosis

Enter your numeric data directly into the data table or upload a CSV file
Use the "Select Data Column" control to choose which column of data to analyze
The calculator will automatically compute both kurtosis and relative kurtosis values
View the distribution type classification and interpretation
Examine the visualization to understand the tail weight of your data distribution

Related Calculators and Graph Makers

Standard deviation calculator

Calculate the standard deviation of your dataset to measure how spread out the values are from the mean.

Variance calculator

Calculate the variance of your dataset to measure how spread out the values are from the mean.

Interquartile Range (IQR) Calculator

Calculate the interquartile range (IQR) and identify outliers in your data. Perfect for understanding data spread and detecting unusual values.