BubbleScale Property

Returns or sets the scale factor for bubbles in the specified chart group. Can be an integer value from 0 (zero) to 300, corresponding to a percentage of the default size. Applies only to bubble charts. Read/write Long.

expression.BubbleScale

expression Required. An expression that returns one of the objects in the Applies To list.

This example sets the bubble size in chart group one to 200 percent of the default size.

With myChart 
 .ChartGroups(1).BubbleScale = 200 
End With
Show: