📐 Slope Calculator
Enter any two points (x₁, y₁), (x₂, y₂). You can also enter slope m,
angle, or percent grade to solve the missing coordinate.
Inputs
📍 x₁
📍 y₁
📍 x₂
📍 y₂
➗ Slope m
📐 Angle
🧭 Angle unit
i
📈 Percent grade (%)
📏 Distance unit
i
Results (auto-updating)
🧮 Line equation (if not vertical)
🎯 y-intercept b
📏 Distance between points
🚫 Vertical line?
Step-by-step algebraic derivation
Enter values to see the derivation…
Reference & formulas
| Quantity | Formula |
|---|---|
| Slope (m) | m = (y₂ − y₁) / (x₂ − x₁) |
| Angle | θ = arctan(m) |
| Percent grade | % = 100 × m |
| Distance | d = √[(x₂ − x₁)² + (y₂ − y₁)²] |