Euclidean Distance Calculator

Find the straight-line distance between two points in 3D.

Distance 5

Formula: d = √(Δx² + Δy² + Δz²)

Step-by-step with your numbers:
1. Values used:
2. x₁ = 1
3. y₁ = 2
4. z₁ = 3
5. x₂ = 4
6. y₂ = 6
7. z₂ = 3
8.
9. Distance = 5
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Euclidean distance is the ordinary straight-line distance between two points.

How the Math Works

The Euclidean Distance Calculator uses the fundamental distance formula from geometry to find the straight-line distance between two points in three-dimensional space. Given two points with coordinates (x1, y1, z1) and (x2, y2, z2), the calculator computes the differences in each dimension (Δx, Δy, Δz), squares each difference, sums these squared values, and then takes the square root of the total. This process extends the familiar two-dimensional distance formula to three dimensions, providing the shortest path between any two points in space.

Practical Applications

To use this calculator, simply enter the x, y, and z coordinates of your two points into the respective input fields. The calculator will automatically compute the differences between corresponding coordinates, apply the Euclidean formula, and display the distance. This tool is invaluable for physics problems involving displacement, computer graphics for determining object distances, engineering for structural calculations, and navigation systems that need to calculate direct distances between locations in three-dimensional space.

Day-to-Day Use

While you may not calculate 3D distances every day, this concept appears in many everyday situations without you realizing it. When GPS systems calculate the direct distance between your location and a destination, when video games determine how far your character is from an objective, or even when architects ensure furniture fits in a room, the principles of Euclidean distance are at work. Understanding this calculation helps you appreciate how technology measures space and distance efficiently in our increasingly digital world.

Worked example

(1,2,3) to (4,6,3) → √(9 + 16 + 0) = 5.

FAQ

How is it different from Manhattan distance?

Euclidean goes in a straight line; Manhattan sums the axis-aligned steps.