Distance Formula Calculator (2D)
Calculate the straight-line distance between two points in a 2D plane.
About this calculator
The Distance Formula Calculator (2D) on NumberCals is a free, mobile-friendly tool for anyone needing to calculate the straight-line distance between two points in a 2d plane. Enter your values in the form below and the result is computed instantly — no sign-up, no installation, no waiting.
Formula used
d = √((x₂−x₁)² + (y₂−y₁)²)
What you'll need
- x₁ (e.g. 1)
- y₁ (e.g. 2)
- x₂ (e.g. 4)
- y₂ (e.g. 6)
What you'll get
- Distance
- Δx (x₂ − x₁)
- Δy (y₂ − y₁)
Formula
d = √((x₂−x₁)² + (y₂−y₁)²)
Result
Frequently Asked Questions
How does this relate to Pythagoras? +
It IS Pythagoras — the distance is the hypotenuse of a right triangle with legs Δx and Δy.
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