InchesToPoints Method
Converts a measurement from inches to points.
expression.InchesToPoints(Inches)
expression Required. An expression that returns an Application object.
Inches Required Double. Specifies the inch value to be converted to points.
Example
This example sets the left margin of Sheet1 to 2.5 inches.
Worksheets("Sheet1").PageSetup.LeftMargin = _
Application.InchesToPoints(2.5)