Creators
Rojony Khatun Author
Rojony Khatun
CalculatorToolsProjectExpert
Reviewers
Małgorzata Koperska, MD Steven Wooding
Last updated: November 16, 2025

Distance Between Two Points Calculator | Geometry Tool

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Distance 2 Points Calculator

Distance 2 Points Calculator

Calculate the distance between two points in 2D or 3D space using their coordinates. Ideal for students, engineers, and designers online.

distance between coordinates calculator

A Distance Between Two Points Calculator is a very useful tool that allows one to find the distance between two points in two-dimensional or three-dimensional space within a short period of time. Enter the coordinates, and the calculator will give the correct answers immediately with the use of the standard distance formula, which is why it is ideal in mechanical engineering, geometry, and design work.

distance between two points calculator

The Distance Between Two Points Calculator is an online tool that computes the distance between two points in 2D or 3D space using their coordinates. By entering the x, y (and optionally z) coordinates of both points, the calculator instantly provides the accurate distance using the standard distance formula:
For 2D:

\[ d = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}} \]

For 3D:

\[ d = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}+(z_{2}-z_{1})^{2}} \]

This tool is useful for students, engineers, architects, designers, and anyone working with geometry or spatial data. The interface is simple, responsive, and requires no installation, delivering instant results while reducing manual calculation errors.

Work, Installation, Input to Output

Work:

  • Accepts coordinates of two points (x1, y1, x2, y2, optionally z1, z2).
  • Calculates distance using 2D or 3D distance formula.
  • Displays results instantly.

Installation:No installation required; works in any modern web browser.

Input:

  • Point A coordinates (x1, y1, z1 optional)
  • Point B coordinates (x2, y2, z2 optional)

Output:

  • Distance between points (2D or 3D)

Testing and Final Adjustments

Test integers as well as decimal coordinates, positive as well as negative. Check manually using the distance formula. Process unacceptable data like non-numbers. Rounds off to the decimal place value. Mobile and desktop responsiveness on the test. Support immediate updates of updates. Represent findings in a clear and unitary manner. As an option, insert a graphic illustration of points and the line between them.

Frequently Asked Questions - Distance 2 Points Calculator:

What is a Distance Between Two Points Calculator?

A tool to calculate the distance between two points in 2D or 3D space using coordinates.

How do I use it?

Enter the coordinates of both points to get the distance.

Which formulas are used?

2D: d = √((x2 - x1)² + (y2 - y1)²), 3D: d = √((x2 - x1)² + (y2 - y1)² + (z2 - z1)²).

Is it free?

Yes, this calculator is completely free online.

Can I use it on mobile devices?

Yes, it works on all devices and is fully responsive.

Does it provide instant results?

Yes, calculations are displayed instantly upon input.

Who can use this tool?

Students, engineers, architects, and designers.

Can it handle negative and decimal coordinates?

Yes, it supports all numeric values including decimals and negatives.

Does it show a visual representation?

Optionally, a graph can display the points and connecting line.

Why is it useful?

It saves time, ensures accurate distance calculations, and aids geometry, engineering, and design tasks.

Rojony Khatun

Rojony Khatun

Calculator Tools Project

Rojony Khatun is the creator of a free online tools website designed to simplify everyday and engineering-related calculations for students, professionals, and hobbyists. The platform offers a wide variety of basic and advanced calculators across key categories, including Electrical Calculators, Electronic Calculators, and Time & Date Calculators, helping users solve problems quickly and accurately.