Distance Formula Calculator
Compute the distance between two points in 2D or 3D.
Input Data
2D or 3D.
X1
Y1
Z1
X2
Y2
Z2
Results
Euclidean distance.
5
Distance squared.
25
Explanatory note about the result.
距離 d = 5
At a glance:2D: d = √((x2−x1)²+(y2−y1)²). 3D adds (z2−z1)². Complements 3d-distance and slope.
Formula
d = √[Σ(x2_i − x1_i)²].
How to Use
- Pick dimension and enter the points.
- The tool returns the distance.
Case Studies
(0,0) to (3,4)
d = 5.
FAQ
Why squared distance?
Avoids a sqrt; useful when only comparing magnitudes.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.