| Name | Type | Description | Notes |
|---|---|---|---|
| id | Number | [optional] | |
| type | String | IfcDerivedUnit, IfcContextDependentUnit, IfcConversionBasedUnit, IfcSIUnit or IfcMonetaryUnit | |
| name | String | Name of the unit (ex: DEGREE) | [optional] |
| unitType | String | IFC type of the unit or user defined type (ex: PLANEANGLEUNIT for DEGREE and RADIAN) | [optional] |
| prefix | String | Litteral prefix for scale (ex: MILLI, KILO, etc..) | [optional] |
| dimensions | [Number] | List of 7 units dimensions | [optional] |
| conversionFactor | Number | Factor of conversion and base unit id (ex: DEGREE from RADIAN with factor 0.0174532925199433) | [optional] |
| conversionBaseunit | Unit | [optional] | |
| elements | String | List of constitutive unit elements by id with corresponding exponent (ex: [meterID/1, secondID/-1] for velocity) | [optional] |