Standard Error
Calculate Standard Error instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Standard Error
σ
n
SE
1
More about: Standard Error
What it calculates
The “Standard Error” calculator computes SE from 2 parameters: σ, n.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters σ = 10, n = 100 the result is 1.
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.