Pearson Correlation Calculator
Calculate the Pearson correlation coefficient between two variables with step-by-step explanation.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Pearson Correlation Calculator
- Enter X values in the first field as comma-separated numbers (e.g.,
1,2,3). - Enter Y values in the second field as comma-separated numbers (e.g.,
4,5,6). - Ensure both lists have the same number of values (at least 2 pairs).
- Click Calculate Correlation.
- View the result r (ranges from -1 to 1) and the step-by-step breakdown below.
Tip: Use decimal points (e.g., 1.5,2.3) for non-integer values. No special formatting required.
Previous Results
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Frequently Asked Questions
The Pearson correlation coefficient (r) measures the linear relationship between two variables, ranging from -1 to 1.
A value near 1 indicates a strong positive correlation, near -1 a strong negative correlation, and 0 no linear correlation.
This calculator requires complete pairs. Remove or impute missing values before entering data.
