> For the complete documentation index, see [llms.txt](https://docs.pollination.solutions/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pollination.solutions/user-manual/model-editor/commands/alphabetically/me_change_units.md).

# Change units

Change units and/or tolerance.

## Options

* **Units**

  Model units system
* **Format**

  Model units format
* **Angle Tolerance**

  Model angle tolerance in degrees
* **Tolerance**

  Model absolute tolerance
* **Reset Coordinate System**

  Select to have this command reset the origin of the coordinate system in which the model exists to the lower left corner of the bounding box around the model. Useful when the model lies very far from the origin.


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