basic

OLS Linear Regression Line Calculator

ŷ = b0 + b1x — ordinary least-squares regression coefficients.

Computes OLS regression slope b1 and intercept b0 from summary statistics (means, variances, covariance), and predicts ŷ for any x.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

b1 = cov(X,Y)/Var(X); b0 = ȳ − b1×x̄

In depth

Computes OLS regression slope b1 and intercept b0 from summary statistics (means, variances, covariance), and predicts ŷ for any x.