Correlation Calculator

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Correlation Calculator

Calculate Pearson or Spearman correlation with statistics and an interactive scatter plot.

1. Choose Correlation Method
2. Enter Paired Data
# X Values Y Values Remove
Pearson Correlation Coefficient
0.000
No correlation
0 Sample Size (n)
0.000
0.000 Mean X
0.000 Mean Y
0.000 SD X
0.000 SD Y
0.000 Covariance
0.000 Regression Slope
r = Σ[(X − X̄)(Y − Ȳ)] / √[Σ(X − X̄)² × Σ(Y − Ȳ)²]
Important: Correlation measures the strength and direction of association between two variables. It does not by itself prove that one variable causes the other.
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