Correlation Coefficient Calculator

Paste x and y values to calculate Pearson r, R², a t statistic, degrees of freedom, and a two-sided p-value.

X values

Y values

—Pearson r

—R²

—t statistic

—Two-sided p-value

—Paired observations are matched by position.

How to use this Correlation Coefficient Calculator

Calculate Pearson correlation from paired numeric data. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.