Quartiles & IQR
Calculate Quartiles & IQR instantly with the exact formula and a worked example.
Quartiles & IQR
x₁
x₂
x₃
x₄
x₅
IQR
5
More about: Quartiles & IQR
What it calculates
The “Quartiles & IQR” calculator computes IQR from 5 parameters: x₁, x₂, x₃, x₄, x₅.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters x₁ = 1, x₂ = 5, x₃ = 7, x₄ = 10, x₅ = 15 the result is 5 (Q1=5, Q3=10).
How to use
- Enter x₁, x₂, x₃, x₄ and x₅ — each field above is adjustable with a slider.
- IQR 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 Quartiles & IQR calculated?
The Quartiles & IQR calculator computes IQR from x₁, x₂, x₃, x₄, x₅. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Quartiles & IQR 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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