Excel VBA Variables

This post will guide you how to declare, initialize and display a variable value in MS excel VBA.

Declare a VBA variable

If you want to declare a variable as Integer, just type the below code line:

Dim  myNum as Integer


Dim myNum%

The above code declare a variable “myNum” as integer type.

Initialize a VBA variable

It’s very simple to initialize a VBA variable, just following the below code:

Dim myNum as Integer
myNum = 28

You must to declare the variable firstly, then initialize its value.

Data types

The data types contains Byte, Boolean, Integer, Long, Currency, Decimal, Single, Double, Date, String, Object, Variant and user defined type.  Each data type have different range of values, see below table:

Type Range of Values
Byte 0 to 255
Boolean True or False
Integer -32768 to 32767
Long -2,147,483,648 to 2,147,483,648
Single -3.402823E+38 to -1.401298E-45 for negative values

1.401298E-45 to 3.402823E+38 for positive values.

Double -1.79769313486232e+308 to -4.94065645841247E-324 for negative values

4.94065645841247E-324 to 1.79769313486232e+308 for positive values.

Currency -922,337,203,685,477.5808 to 922,337,203,685,477.5807
Decimal +/- 79,228,162,514,264,337,593,543,950,335 if no decimal is use

+/- 7.9228162514264337593543950335 (28 decimal places).

String (fixed length) 1 to 65,400 characters
String (variable length) 0 to 2 billion characters
Date January 1, 100 to December 31, 9999
Object Any embedded object
Variant (numeric) Any value as large as double
Variant (text) Same as variable-length string


Example1:  Variable declaration and initialization

1# open visual Basic Editor, then insert a module and name as :myVariableDecIniDemo1

2# enter into the below VBA codes in code window.

Sub myVariableDecIniDemo1()
    Dim myNum As Integer
    myNum = 45
    Dim myStr As String
    myStr = "excelhow.net"
    Dim birthD As Date
    birthD = 31 / 7 / 2017
    MsgBox "myNum is" & myNum & Chr(10) & "my string is " & myStr & Chr(10) & "my birthday is " & birthD
End Sub

excel variable declaration example1

3# back to workbook and run the above macro.

excel variable declaration example2

Variable declaration and initialization 1


Related Posts

VBA Macro For VLOOKUP From Another Sheet

In the previous post, you should know that how to fix or remove the #N/A error when using VLOOKUP formula to lookup value from another sheet. And this post will show you how to use VBA code to vlookup data ...

How To Remove Special Characters in Excel

This post will show you how to remove special characters from text strings in Excel. And I am going to introduce two ways to remove special characters (@&)#%$) from a string in Excel. Removing Special Characters using Power Query If ...

How To Insert Comments in Protected Worksheet in Excel

This post will show you how to allow comments in a protected worksheet in Excel. You can easily to insert comments into cells in a normal worksheet in Excel, but if want to insert a comment in a worksheet that ...

How To Convert Text to Upper Cases(Using VBA) in Excel

This post will show you how to switch from lower case to upper case in Excel. and I am going to show you two different ways of converting text to upper cases using formula or VBA macro in Excel 2013,Excel ...

How To Hide Every Other Row in Excel (Using VBA)

This post will show you how to hide alternate rows or columns in Excel or how to hide every third, fourth, fifth row or column in Excel. If you want to hide every other row in your current worksheet, how ...