Standard Deviation
Calculate Standard Deviation instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Standard Deviation
x₁
x₂
x₃
x₄
σ
1.9203
More about: Standard Deviation
What it calculates
The “Standard Deviation” calculator computes σ from 4 parameters: x₁, x₂, x₃, x₄.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters x₁ = 5, x₂ = 8, x₃ = 6, x₄ = 10 the result is 1.92.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.