Pevlika Browser Apps

Pearson Correlation Calculator

Paste paired X and Y values to get Pearson’s r and its significance.

Runs in your browser — nothing is uploaded

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How to use Pearson Correlation Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

r = Σ(x − x̄)(y − ȳ) / √(Σ(x − x̄)²·Σ(y − ȳ)²)

t = r·√((n − 2)/(1 − r²))

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