Before starting a drawing, you must decide which units of measure to use. To speed up the setting of the coordinate unit of measurement, coordinate classes are used.

Tip: |
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The coordinate classes are defined in the document and can be selected in the Coordinate system Bar. |

In you can use the following units of measure.

# Lengths

Unit of measure | Symbol |
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Millimeters | mm |

Centimeters | cm |

Inch | in |

Mils | mil |

Typographic point | pt |

# Angles

Unit of measure | Symbol |
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Degrees | ° |

Radians | rad |

# To set the unit of measurement

- Click on the button located to the left of the cursor bar.
- Select the unit of measurement.

The values set for the units of measurement are assigned according to the hierarchy of the current coordinate system. For more information about the coordinate system see Setting the Coordinate System.