Correlation Coefficient Calculator (Pearson’s r, Spearman’s rho)

Do you need to quickly find the strength of relationship between two variables? This free Correlation Coefficient Calculator instantly computes Pearson’s r and Spearman’s rho with detailed steps and scatterplot visualization.

• Pearson’s r: Measures linear correlation between two sets of data.
• Spearman’s rho: Measures rank correlation (non-parametric).

How to Use

1. Enter two sets of values (X and Y) separated by commas or spaces.
2. Click Calculate to get Pearson’s r, Spearman’s rho, and graph.
3. Scatterplot with regression line is displayed for visualization.
4. Use Clear to reset and enter new data.

Why Use This Tool?

As an economist and statistician, I know the importance of quickly testing relationships between variables. This tool is especially useful for:

• 🎓 Students – verifying homework results.
• 📊 Teachers – showing real-time correlation in class.
• 📈 Researchers – analyzing surveys or experimental data.
• 🏦 Economists – checking financial or banking datasets.

Try it now and let me know in the comments how it helps you!

Correlation Coefficient Calculator (Pearson’s r, Spearman’s rho)