About the slope calculator
Slope measures steepness: rise over run. From two points, you also get the line’s equation, its angle, the distance between the points, and the midpoint.
How to use this calculator
- Enter the coordinates of two points.
- Read the slope, equation, and extras.
Worked examples
- m = (8 − 2) ÷ (4 − 1) = 2
- b = 2 − 2 × 1 = 0
Slope 2; y = 2x.
Measurement guidance
Slope as grade
Multiply slope by 100 to get percent grade. A 1:12 wheelchair ramp is about an 8.33% grade.
Frequently asked questions
What does a negative slope mean?
The line goes down from left to right.
What’s the slope of a horizontal line?
Zero.