Point to Line Distance Calculator

About this calculator

This calculator finds the shortest distance from a point to a line using the standard formula d = |Ax₀ + By₀ + C| / √(A² + B²), where the line is written as Ax + By + C = 0 and (x₀, y₀) is the point. That shortest path is always the perpendicular segment from the point to the line.

Students use it to check analytic geometry homework, and it shows up in real applications like computer graphics (collision detection), robotics (path planning), and CAD software (measuring clearances). Enter the line's coefficients and the point's coordinates to get the distance instantly.