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Units

Mode: Scene

Panel: Scene Context → Units panel


Description

Blender allows you to work with three different systems of units: "Blender units", the metric system, and the Imperial system. Each scene in Blender can use its own system of units, which means that one file may contain multiple scenes with varying systems of units.

Blender's default unit of measurement, the "Blender Unit", has no real-world equivalent. The Blender unit may be taken to represent any unit you prefer or imagine.


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It is considered good practice to build your models and worlds to a real-world scale. This simplifies the import and export workflow for both Blender scenes and interoperability between Blender and other 3d packages or external game engines.




Options

Units panel


None
Default Blender unit.
Metric
Metric units of measurement. Values can be entered in kilometers (km), meters (m), centimeters (cm), millimeters (mm), and micrometers (μm - enter "um")
Imperial
Imperial units of measurement. Values can be entered in miles (mi), furlongs (fur), chains (ch), yards (yd), feet (' or ft), inches (" or in), and thou (th - enter "thou").
Degrees
All rotation units of measurement are displayed and edited in degrees.
Radians
All rotation units of measurement are displayed and edited in radians.

Sub-options

Scale
Relative scale conversion between Blender units and Metric or Imperial measurement units. This sub-option is available when Metric of Imperial units are used.
Separate Units
Values entered in all input fields use separate unit notation. For example, 1.32m will be displayed as: 1m 32cm.

Working with Units in Blender

Import and Export Scaling Issues