FREE ONLINE TOOLFree Linear Regression
Free Linear Regression
Calculator
Advanced browser-based simple linear regression calculator with inference, prediction intervals, ANOVA, residual diagnostics, influence statistics and local-only processing.
FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.
About Free Linear Regression Calculator
Fit a simple linear model from raw paired data, quantify uncertainty, predict new values, inspect residuals and influence, and export a research-ready result — all locally in your browser.
Workspace options
- Confidence level (%)
- Predict Y when X =
Available actions
- ☼ / ◐
- Load example
- Fit regression
- Reset
- Fit
- Residuals