# Row size

> Supported in: Batch

Estimates the size of a single row in the JVM.

**Transform categories**: Other

## Declared arguments

* **Dataset:** Dataset to calculate size of an individual row.<br>*Table*
* *optional* **Row size column alias:** Name of the column for the row estimate size value in bytes, defaults to 'size'.<br>*Literal\<String>*

## Examples

### Example 1: Base case

**Argument values:**

* **Dataset:** ri.foundry.main.dataset.a
* **Row size column alias:** size

**Input:**

| a |
| ----- |
| 1 |

**Output:**

| a | size |
| ----- | ----- |
| 1 | 16 |

***