Distance Between 3D Points Calculator

About this calculator

The distance between two points in three-dimensional space is found with the 3D Euclidean distance formula, the natural extension of the Pythagorean theorem to an extra axis: d = √((x₂−x₁)² + (y₂−y₁)² + (z₂−z₁)²). Each coordinate difference is squared, summed, and the square root gives the straight-line distance through space, regardless of how the two points are oriented relative to each other.

3D modelers and game developers use this constantly for collision detection, camera distance checks, and level-of-detail switching, while CAD engineers, roboticists, and surveyors use it to compute real-world distances between coordinate points captured from a scanner, robotic arm, or point-cloud dataset.