Tool 504 · Association analysis
Correlation Calculator
Measure linear or monotonic association with Pearson or Spearman correlation. Paste paired data, inspect the scatterplot, quantify uncertainty, identify influential points, and export a research-ready interpretation.
Pearson + SpearmanLinear and rank-based association in one tool.
Uncertainty includedp-values and Fisher-z confidence intervals.
Influence scanSee how much any single point changes r.
PrivateAll calculations stay in this browser.
Pearson product-moment correlation
Best for linear association between quantitative variables when the relationship is not dominated by extreme outliers.
Paired observations
One pair per row. Use comma, semicolon, tab, or spaces. Optional first row may be text labels such as “Height, Weight”. Rows that cannot be parsed are reported.Known correlation summary
Summary mode supports Pearson inference. Raw data are required for Spearman ranking, scatterplots, outlier and influence diagnostics.