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Instant result
The result is updated directly from the data entered.
Online Calculator
Slope calculator from two points
Enter two coordinates and calculate the slope along with the changes in x and y.
Point 1
Point 2
Δx
4
Δy
8
Slope
2
Information
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Local processing
The calculations are done in your browser without sending the values to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
What is the formula of the slope?
m = (y₂ - y₁) ÷ (x₂ - x₁).
What if the two points have the same x?
The slope is undefined because the line is vertical.
Can the slope be negative?
Yes.
Is it for decimal coordinates?
Yes.