Regression Calculator

Calculate linear regression equation, slope, intercept, R², and make predictions.

How to Use This Calculator

  1. Enter your X Values.
  2. Enter your Y Values.
  3. Click Calculate to see instant results with a step-by-step breakdown.
  4. Use the Share button to copy a link with your inputs pre-filled.

⚠️ Results are for informational purposes only. Always verify important calculations with a qualified professional.

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Find the mode(s) — most frequently occurring value(s) in a data set.…
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Calculate population and sample standard deviation and variance.…
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Calculate Pearson r correlation coefficient from two data sets.…
Normal Distribution Calculator
Calculate PDF, CDF, and probabilities for a normal distribution.…