---
title: "Length"
---
<!-- DO NOT EDIT! This file was auto-generated by crates/build/re_types_builder/src/codegen/docs/website.rs -->

Length, or one-dimensional size.

Measured in its local coordinate system; consult the archetype in use to determine which
axis or part of the entity this is the length of.

## Rerun datatype
[`Float32`](../datatypes/float32.md)


## Arrow datatype
```
Float32
```

## API reference links
 * 🌊 [C++ API docs for `Length`](https://ref.rerun.io/docs/cpp/stable/structrerun_1_1components_1_1Length.html)
 * 🐍 [Python API docs for `Length`](https://ref.rerun.io/docs/python/stable/common/components#rerun.components.Length)
 * 🦀 [Rust API docs for `Length`](https://docs.rs/rerun/latest/rerun/components/struct.Length.html)


## Used by

* [`BarChart`](../archetypes/bar_chart.md)
* [`Capsules3D`](../archetypes/capsules3d.md)
* [`Cylinders3D`](../archetypes/cylinders3d.md)
