VBA Variable Declaration

In VBA Variable declaration are necessary to define a variable for a certain data type so that It can hole values, any variable which is not defined in VBA cannot hold values, there is an option to enable require variable declaration and variable declaration is done by the DIM keyword in VBA.

Variable Declaration in VBA

Before moving to the VBA variable declaration, let us first understand what variables are, what is the use of variables, and when should we use them.

What are the variables in VBA?

Word Variable itself defined variables are basically the name of memory in your location, which holds some value into that. You can pass a value in a code based on the type of variable. The value will be used while executing the code, and you will get the Output.

What is the use of Variable?

When you are creating a program or a code, it consists of some instructions that pass the information to the system about what to do with data. The data consist of two types of values, fixed and variable. Fixed values are also called as constant. Variables are defined by certain data types, i.e., Integer, Byte, string, etc. This helps us to identify the nature of the data we are entering, i.e., Text, Number, Boolean, etc.

How to Declare a Variable?

To declare a variable in code, you should assign a name to that variable. You can assign any name to a variable. However, it is advised to select a variable name which relates to data so that other user can also understand easily. For example, if you need to pass Integer data in the code, then the name variables like i_count or out. If you need to pass string value, then you can name that variable like strName

Variables can be declared anywhere in the VBA codeVBA CodeVBA code refers to a set of instructions written by the user in the Visual Basic Applications programming language on a Visual Basic Editor (VBE) to perform a specific task.read more. However, the coder is advised to declare them in starting of the code so that every user can understand the code very easily. The variable should be declared using Dim.

VBA Variable Declaration

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Examples of VBA Variable Declaration

Here are some examples for you to understand the VBA data typeVBA Data TypeThe data type is the core character of any variable. It represents what type and range of value we can store in the variable. Data types are built-in VBA, and users or developers need to know which kind of value can be held in which data type.read more. You can try it on your computer.

Add a module in VBA EditorVBA EditorThe Visual Basic for Applications Editor is a scripting interface. These scripts are primarily responsible for the creation and execution of macros in Microsoft software.read more. Copy and paste the below codes one by one to see the result.

You can download this VBA Variable Declaration Excel Template here – VBA Variable Declaration Excel Template

VBA Variable Declaration Example #1 – Integer

VBA IntegerVBA IntegerIn VBA, an integer is a data type that may be assigned to any variable and used to hold integer values. In VBA, the bracket for the maximum number of integer variables that can be kept is similar to that in other languages. Using the DIM statement, any variable can be defined as an integer variable.read more Data type is used when you need to store the whole numbers. Integer can store value between 32,768 to 32,767. If you need to pass value beyond this, then you need to use Long Datatype in VBALong Datatype In VBALong is a data type in VBA that is used to store numeric values. We know that integers also store numeric values, but Long differs from integers in that the range for data storage is much larger in the case of long data type.read more.


Sub VBA_Code1()

 Dim Score As Integer

 Score = 101

 MsgBox "Sachin Scored " & Score

End Sub

When you run the above code, the result will show Sachin Scored 101. See below

VBA Variable Declaration Example 1

VBA Variable Declaration Example #2 – String

The VBA string data typeVBA String Data TypeVBA SubString is a crucial function used for splitting the data by dividing a VBA string into different substrings. There are three types of substring functions available in VBA, i.e., left-right, mid and split functions.read more can store data as text.


Sub VBA_Code_String()

 Dim strName As String

 strName = "Ram"

 Range("A1:A10") = "Ram"

End Sub

When you run the above code, this will enter Ram in Every cell between Range A1:A10.

VBA Variable Declaration Example 2

VBA Variable Declaration Example #3 – Date

The date data type in VBADate Data Type In VBAVBA Date is a date and time function. It returns only the current date as per the system date you are using and has no arguments whatsoever. This function returns the current system date.read more can store data like the date. It will be in the format of MM/DD/YYYY.


Sub VBA_Code_Date()

 Dim DOB As Date
 DOB = "04/04/1990"

 MsgBox "I was born on " & DOB

End Sub

When you run the above code, this will show the result as below.

VBA Variable Declaration Example 3

VBA Variable Declaration Example #4 – Boolean

Boolean Datatype in VBABoolean Datatype In VBABoolean is an inbuilt data type in VBA used for logical references or logical variables. The value this data type holds is either TRUE or FALSE and is used for logical comparison. The declaration of this data type is similar to all the other data types.read more has only two values True or False.


Sub VBA_Code_Boolean()

 Dim bgender As Boolean

 bgender = False
 If bgender = True Then
 Range("A1") = "Male"

 Range("A1") = "Female"
 End If

End Sub

When you run the code that the result in A1 cell will be Female.

Boolean Datatype Example 4

VBA Variable Declaration Example #5 – Long

Data type Long is also used to store numbers. They can store number between -2,147,483,648 to 2,147,483,647. Here you must have a question if Integer and Long both can store numbers, then why do we use Integer?

Here is the answer, Integer takes two bytes of space. However, Long needs 8 bytes of space. So when you know that number can be stored as an integer, you should not use long else your program running time will increase.

Suppose you need to show the distance between the North Pole to the South Pole in Meter, and you know that the distance in the meter is outside the range of -32,768 to 32,767. So you will use data type Long.


Sub VBA_Code_long()

Dim distance As Long

distance = 13832000

MsgBox "Distance between the North Pole and 
the South Pole is " & distance & " Meter"

End Sub

The result will be “Distance between the North Pole, and the South Pole is 13832000 Meter

Data type Long Example 5

If you use an integer as a data type in the above code, then this will go through error. You can try it.

Points to Remember

You need to remember some points while declaring the variables.

  • A variable name should not be more than 255 characters.
  • Variables are not case sensitive.
  • A Variable should not start with a number. You can use the number or underscore in the middle of the variable name.
  • VBA variable declaration cannot be named as an Excel keyword like Sheet, Range, etc.
  • VBA variable declaration did not contain special characters.

Recommended Articles

This has been a guide to VBA Variable Declaration. Here we discuss how to declare a variable in VBA and when should you use it along with examples and download template. Below are some useful excel articles related to VBA –

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