When you create a project, by default Vasari assigns specific units and accuracy to dimension styles based on the project units settings.
You can create custom dimension types that override these default settings. For each custom dimension type you create, you can define the unit and accuracy settings. For example, in a project that uses Imperial units, you can create a dimension type that displays a metric unit. You can also create dimension types that have different rounding options so, for example, you can show dimensions that round to 1/8” in a plan view and 1/32” in a detail view.
To create a custom dimension type: