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MS Access: CDbl Function

Learn how to use the Access CDbl function with syntax and examples.


The Microsoft Access CDbl function converts a value to a double.


The syntax for the Microsoft Access CDbl function is:

CDbl( expression )

Parameters or Arguments

expression is the value to convert to a double.

Applies To

The CDbl function can be used in the following versions of Microsoft Access:

Example (in VBA Code)

The CDbl function can be used in VBA code in Microsoft Access. For example:

Dim LDouble As Double

LDouble = CDbl(8.45 * 0.005 * 0.01)

The variable called LDouble would now contain the value of 0.0004225.