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Slope Calculator

Free online slope calculator tool.

About Slope Calculator

The Slope Calculator calculates the steepness and direction of a line connecting two points. It is the fundamental measure of rise over run in algebra.

How Slope Calculator Works

  • Step 1: Coordinates: Input the X and Y coordinates of your two points.
  • Step 2: Calculate: The tool divides the change in Y (rise) by the change in X (run).

Frequently Asked Questions

What does a negative slope mean?

A negative slope indicates that the line goes downwards from left to right. A positive slope goes upwards.

What if the slope is zero?

A slope of exactly 0 means the line is completely horizontal and flat.

What if the tool says Infinity?

An infinite or undefined slope means the line is completely vertical. The change in X is zero, and you cannot divide by zero.