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Both calculators run independently — change the inputs on either side to compare results.
Statistics
Correlation Coefficient Calculator
Compute the Pearson correlation coefficient r and coefficient of determination R² from summary statistics of paired data. Use it to measure the linear relationship between two variables in research or data analysis.
Fill in the required fields to see your result.
Statistics
Linear Regression Slope Calculator
Calculate the slope of a least-squares linear regression line from summary statistics of paired x and y data. The slope tells you how much y changes per unit change in x — central to forecasting, regression analysis, and any task that quantifies a linear relationship between two variables.
Fill in the required fields to see your result.
Key differences
| Correlation Coefficient Calculator | Linear Regression Slope Calculator | |
|---|---|---|
| Category | Statistics | Statistics |
| Inputs required | 6 | 4 |
| Result | Correlation Coefficient (r) | Slope (b) |
| What it does | Compute the Pearson correlation coefficient r and coefficient of determination R² from summary statistics of paired data. Use it to measure the linear relationship between two variables in research or data analysis. | Calculate the slope of a least-squares linear regression line from summary statistics of paired x and y data. The slope tells you how much y changes per unit change in x — central to forecasting, regression analysis, and any task that quantifies a linear relationship between two variables. |