Slope of a Line Through (2,3) and (8,15)
The slope of the line through (2, 3) and (8, 15) is 2.
How to use this tool
- Enter x₁, y₁, x₂ and y₂ in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your slope (m) and the full breakdown beneath it.
The slope between (2, 3) and (8, 15) is (15 − 3)/(8 − 2) = 12/6 = 2.
Frequently asked questions
- How do you calculate slope from two points?
- The slope formula is m = (y₂ − y₁) / (x₂ − x₁). A positive slope means the line goes up from left to right.