About the formula
2D: d = √((x₂ − x₁)² + (y₂ − y₁)²)
3D: d = √((x₂ − x₁)² + (y₂ − y₁)² + (z₂ − z₁)²)
The distance formula is a direct application of the Pythagorean theorem in coordinate geometry.
Distance formula calculator
Euclidean distance between two points in 2D or 3D space. Steps shown.
Point 1
Point 2
Distance
0
d = √((x₂ − x₁)² + (y₂ − y₁)²)