CDbl Function
Converts any numerical expression or string expression to a double type.
Syntax
CDbl (Expression)
Return value
Double
Parameters:
Expression: Any string or numeric expression that you want to convert. To convert a string expression, the number must be entered as normal text ("123.5") using the default number format of your operating system.
Example:
Sub ExampleCountryConvert
MsgBox CDbl(1234.5678)
MsgBox CInt(1234.5678)
MsgBox CLng(1234.5678)
End Sub