Math
Slope Calculator
Find the slope of a straight line through two points, the rise divided by the run.
Formula
Slope = (y2 − y1) ÷ (x2 − x1), the change in y divided by the change in x.
How it works
Enter two points. The calculator subtracts the coordinates, then divides the vertical change by the horizontal change. A vertical line has no defined slope.
FAQs
What does the Slope do?
It takes the values you enter and works out the slope for you, showing the result straight away.
What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.
Can I use the result for homework or everyday maths?
Yes. It is a general-purpose maths helper; for exam or professional work, still check the steps against your own working.