**Instructions:**

- Enter the coordinates of two points in 3D space.
- Click "Calculate Distance" to find the distance between the points.
- The result will be displayed, along with calculation details.
- You can also see your calculation history below.
- Click "Clear Results" to reset the form and hide results.
- Click "Copy Results" to copy the result to the clipboard.

**Calculation History:**

## What is Distance in Three-Dimensional Space?

Distance in three-dimensional space, referred to as 3D space, refers to the physical separation or length between two points or objects in a three-dimensional Cartesian coordinate system. Unlike one-dimensional space (a straight line), which only has length, or two-dimensional space (a flat surface), which has length and width, three-dimensional space adds depth or height as a third dimension, allowing for the measurement of distance along three mutually perpendicular axes.

## All Formulae Related to Distance in Three-Dimensional Space

**Three-Dimensional Distance Formula:** The three-dimensional distance formula calculates the distance (d) between two points (x1, y1, z1) and (x2, y2, z2) in 3D space. It is derived from the Pythagorean theorem in three dimensions and is represented as:

**d = √((x2 – x1)^2 + (y2 – y1)^2 + (z2 – z1)^2)**

In this formula:

- (x1, y1, z1) are the coordinates of the first point.
- (x2, y2, z2) are the coordinates of the second point.

The formula calculates the Euclidean distance, which represents the shortest straight-line distance between the two points in three-dimensional space.

**Distance between a Point and the Origin:** If you want to calculate the distance (r) between a point (x, y, z) and the origin (0, 0, 0) in 3D space, you can use the following formula:

**r = √(x^2 + y^2 + z^2)**

In this formula:

- (x, y, z) are the coordinates of the point.
- r represents the distance between the point and the origin.

## Applications

Here are some common applications of a distance calculator in three-dimensional space across different domains:

**Physics and Engineering:**- Calculating distances between objects in mechanical systems, such as the separation between two gears or the distance between components in a machine.
- Analyzing distances in structural engineering to ensure proper spacing and alignment of building elements.

**Geographical Information Systems (GIS):**- Determining the three-dimensional distance between geographic coordinates (latitude, longitude, and altitude) for geographic analysis and mapping.
- Measuring elevation changes between points for terrain modeling and contour mapping.

**Astronomy and Astrophysics:**- Calculating the distance between celestial objects, such as stars, planets, and galaxies, to study their positions and movements in space.

**Navigation and Geodesy:**- Estimating distances between GPS coordinates to determine travel distances and directions.
- Surveying land and creating topographic maps by measuring distances between reference points in three-dimensional space.

**Computer Graphics and 3D Modeling:**- Creating realistic 3D scenes by calculating distances between objects, cameras, and light sources for rendering purposes.
- Implementing collision detection algorithms in video games and simulations.

**Robotics and Autonomous Systems:**- Enabling robots and autonomous vehicles to navigate and avoid obstacles by calculating distances to nearby objects.
- Implementing obstacle avoidance algorithms in drones and self-driving cars.

**Medical Imaging and Radiology:**- Measuring three-dimensional distances within medical images, such as CT scans and MRIs, to assess the size and position of anatomical structures and tumors.

## Benefits

Here are the key advantages of using a distance calculator in three-dimensional space:

**Accuracy:**Distance calculators provide precise and reliable measurements, reducing the potential for human error when manually calculating distances in three-dimensional space.**Efficiency:**They perform calculations quickly, saving time and effort, especially for complex spatial measurements that involve multiple points or objects.**Consistency:**Distance calculators ensure consistent and standardized measurements, promoting uniformity in data collection and analysis.**Precision:**Users can calculate distances with high precision, which is crucial in fields where exact measurements are required, such as engineering, science, and navigation.**Data Analysis:**Distance calculators facilitate data analysis and modeling by accurately quantifying spatial relationships between objects or points in three-dimensional space.

## References

**“Beyond Euclidean Metrics: Distances in Riemannian Geometry and General Relativity”**by Journal of Differential Geometry**“From Robotics to Navigation: Distance Measurement in Sensor Fusion and Autonomous Systems”**by IEEE Transactions on Robotics and Automation

Last Updated : 27 February, 2024

Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.

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