TopMargin Property
Returns or sets the size of the top margin, in points. Read/write Double.
Remarks
Margins are set or returned in points. Use the InchesToPoints method or the CentimetersToPoints method to convert measurements from inches or centimeters.
Example
These two examples set the top margin of Sheet1 to 0.5 inch (36 points).
Worksheets("Sheet1").PageSetup.TopMargin = _
Application.InchesToPoints(0.5)
Worksheets("Sheet1").PageSetup.TopMargin = 36
This example displays the current top-margin setting.
marginInches = ActiveSheet.PageSetup.TopMargin / _
Application.InchesToPoints(1)
MsgBox "The current top margin is " & marginInches & " inches"