Distance Calculator
Straight-line (Euclidean) distance between two points in the plane or in 3D.
Result
Distance
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Δx
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Δy
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Δz
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The formula
2D:
d = √((x₂ − x₁)² + (y₂ − y₁)²)
3D:
d = √((x₂ − x₁)² + (y₂ − y₁)² + (z₂ − z₁)²)
This is the Pythagorean theorem generalized: each delta is a perpendicular leg, the distance is the hypotenuse.