CDbl

Function that converts an expression into a Double (Number.)

Syntax
      CDbl (expression)

The Double data type stores precision floating point numbers from -1.79769313486232E³⁰⁸ to -4.94065645841247E-³²⁴ for negative values or 1.79769313486232E³⁰⁸ to 4.94065645841247E-³²⁴ for positive values.

CDbl cannot handle Null values.

Examples

Dim dblDemo
dblDemo = CDbl(12 * 0.000001)

PowerShell equivalent, converting a String to a Double:

$num = "11.64"
$num = [double] $num

“People have a peculiar pleasure in making converts, that is, in causing others to enjoy what they enjoy, thus finding their own likeness represented and reflected back to them” ~ Johann Wolfgang von Goethe

Related VBScript commands

CBool - Convert to boolean.
CByte - Convert to byte.
CCur - Convert to currency (number).
CDate - Convert to Date.
CInt - Convert to Integer (number).
CLng - Convert to Long (number).
Convert to Base 36
Syntax - IsBlank function to detect Empty or NULL or Zero.