Phi Coefficient
Calculate Phi Coefficient instantly with the exact formula and a worked example. Free online calculator — no signup.
Phi Coefficient
χ² (2×2)
N (sample)
φ (phi)
0.316228
χ²
10
N
100
φ
0,3162
More about: Phi Coefficient
What it calculates
The “Phi Coefficient” calculator computes φ (phi) from 2 parameters: χ² (2×2), n (sample).
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters χ² (2×2) = 10, N (sample) = 100 the result is 0.3162.
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.