Slope Calculator Guides
Step by step guides with worked examples for the Slope Calculator.
How to Calculate Slope
How to calculate the slope of a line from two points, what rise over run actually means, the vertical line case, and why units matter.
Read the guide →Perpendicular and Parallel Lines
Why perpendicular slopes are negative reciprocals, how to test for parallel lines, and the vertical and horizontal special cases.
Read the guide →Slope and Intercepts of a Line
How to find the equation of a line from two points, and how the x and y intercepts are derived from the slope.
Read the guide →Where Slope Is Used in Practice
Where slope is used in practice: road gradients, roof pitch, drainage, machine learning regression and screen design.
Read the guide →Common Slope Mistakes
The mistakes people make with slope calculations, including inverted ratios, percentage confusion, mixed units and vertical lines.
Read the guide →