📐 Slope Calculator

Enter any two points (x₁, y₁), (x₂, y₂) or provide slope, angle, or percent grade to see the line details.

Inputs

📍 x₁

📍 y₁

📍 x₂

📍 y₂

➗ Slope m

📐 Angle

🧭 Angle unit i

📈 Percent grade (%)

Results (auto-updating)

🧮 Line equation (if not vertical)

🎯 y-intercept b

📏 Distance between points

🚫 Vertical line?

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]

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