# uom\$1conversion
<a name="reference-uom-conversion-entity"></a>

**Primary key (PK)**

The table below lists the colum names that are uniquely identified in the data entity.


| Name | Column | 
| --- | --- | 
| uom\$1conversion | uom, conversion\$1uom\$1id, eff\$1start\$1date, eff\$1end\$1date | 

The table below lists the column names supported by the data entity:


| Column | Data type | Required | Description | 
| --- | --- | --- | --- | 
|  uom  |  string  |  Yes  |  Unit of measure (UOM). For example, weight\$1uom, currency\$1uom.  | 
|  company\$1id2  |  string  |  No  |  Company ID.  | 
|  uom\$1code  |  string  |  No  |  Alternate code for UOM.  | 
|  uom\$1description  |  string  |  No  |  UOM description.  | 
|  uom\$1type  |  string  |  No  |  UOM type, for example, currency, weight, volume, or unit.  | 
|  conversion\$1uom\$1id  |  string  |  Yes  |  UOM ID for conversion.  | 
|  conversion\$1factor  |  double  |  Yes  |  Conversion factor.  | 
|  eff\$1start\$1date  |  timestamp  |  Yes1  |  Effective start date and time.  | 
|  eff\$1end\$1date  |  timestamp  |  Yes1  |  Effective end date and time.  | 
|  source  |  string  |  No  |  Source of data.  | 
|  source\$1update\$1dttm  |  timestamp  |  No  |  Date time stamp of the update made in the source system.  | 

1You must enter a value. When you ingest data from SAP or EDI, the default value for *timestamp* date type value is 1900-01-01 00:00:00 for start date, and 9999-12-31 23:59:59 for end date.

2Foreign key

**Foreign key (FK)**

The table below lists the column names with the associated data entity and category:


| Column | Category | FK/Data entity | FK/Column | 
| --- | --- | --- | --- | 
| company\$1id | Organization | company | id |