Kurtosis
Calculate Kurtosis instantly with the exact formula and a worked example.
Kurtosis
How many values to use (first N fields)
x1
x2
x3
x4
x5
x6
x7
x8
x9
x10
Excess kurtosis
-0.21875
Sample excess kurtosis (as in Excel)
0.9406
Mean
5
Standard deviation (population)
2
Distribution shape
Close to normal
More about: Kurtosis
What it calculates
The “Kurtosis” calculator computes Excess kurtosis from 11 parameters: how many values to use (first n fields), x1, x2, x3, x4, x5, x6, x7, x8, x9, x10.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters How many values to use (first N fields) = 8, x1 = 2, x2 = 4, x3 = 4, x4 = 4, x5 = 5, x6 = 5, x7 = 7, x8 = 9, x9 = 0, x10 = 0 the result is -0.2188.
How to use
- Enter how many values to use (first n fields), x1, x2, x3, x4, x5, x6, x7, x8, x9 and x10 — each field above is adjustable with a slider.
- Excess kurtosis is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Kurtosis calculated?
The Kurtosis calculator computes Excess kurtosis from how many values to use (first n fields), x1, x2, x3, x4, x5, x6, x7, x8, x9, x10. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Kurtosis calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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