# CardinalRatio Property

## Overloads

| [CardinalRatio](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFieldScores.CardinalRatio.htm#Qlik_Engine_IFieldScores_CardinalRatio) |  | Cardinality of a column/field divided by the number of rows in the table.<br><br>If the cardinal ratio is 1, it means that the column is a candidate/primary key.<br><br>JSON property name: qCardinalRatio |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFieldScores.CardinalRatio.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFieldScores.CardinalRatio.htm)

## CardinalRatio

Cardinality of a column/field divided by the number of rows in the table.

If the cardinal ratio is 1, it means that the column is a candidate/primary key.

JSON property name: qCardinalRatio

### Declaration

```

          double CardinalRatio { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.Double |  |