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Scatter Plot Maker
Plot x and y pairs as a scatter plot with an optional trend line and correlation.
Plot a scatter chart
Points: 0
Correlation r: —
X range: —
Y range: —
How to use the Scatter Plot Maker
- Paste your x and y pairs, one pair per line.
- Tick or untick the line of best fit for your chart.
- Click Draw chart to plot the points and read the correlation.
Features
- Points plotted from pasted pairs
- Optional least squares trend line
- Pearson correlation coefficient shown
- Runs locally with no uploads
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Frequently Asked Questions
Common questions about the free online scatter plot maker.
Paste one x and y pair per line, separated by a comma, then click Draw chart to plot the
points on the canvas.
It is the least squares line of best fit, drawn through the points to show the overall
direction of the data.
The tool uses the Pearson correlation coefficient, which measures how closely the points
follow a straight line.
A value near one means a strong upward trend, near minus one a downward trend, and near zero
no linear trend.
There is no fixed limit. Several thousand points still draw quickly, although very dense
plots look crowded.
No. The points are plotted locally in your browser and never leave your device.
Yes. The scatter plot and its statistics work on phones, tablets and desktop computers.
Yes. It is completely free with no account, no sign-up and no usage limits at all.
Last updated: October 10, 2026