What Data Type Is Percentage in VBA?


Scott Campbell

What Data Type Is Percentage in VBA?

VBA (Visual Basic for Applications) is a powerful programming language that allows you to automate tasks and create custom solutions in various Microsoft Office applications. When working with data in VBA, it’s essential to understand the different data types and how they can be used to store and manipulate information.

Percentage Data Type

In VBA, there is no specific data type explicitly defined for percentages. However, you can use other data types to work with percentage values effectively.

Double Data Type

The Double data type is commonly used to store decimal numbers with a high degree of precision. It can be used to represent percentage values as well. For example:

Dim myPercentage As Double
myPercentage = 0.75 ' Represents 75% 

In the above code snippet, we declare a variable myPercentage of type Double and assign it a value of 0.75, which represents 75%. The Double data type allows us to perform mathematical calculations on percentage values.

Integer Data Type

If you are working with whole numbers that represent percentages, you can use the Integer data type. However, keep in mind that using this data type will result in the loss of precision since integers cannot store decimal places. Here’s an example:

Dim myPercentage As Integer
myPercentage = 50 ' Represents 50% 

In this case, the variable myPercentage is declared as an Integer data type and assigned a value of 50. While this works fine for whole numbers representing percentages, it’s not suitable for calculations that require decimal precision.

Formatting Percentage Output

When working with percentages in VBA, you may need to format the output to display the percentage symbol and a specific number of decimal places. To achieve this, you can use the Format function.

Dim myPercentage As Double
myPercentage = 0.75

Dim formattedPercentage As String
formattedPercentage = Format(myPercentage, "0.00%") ' Displays "75.00%" 

In the above example, we use the Format function to format the value of myPercentage. The second argument in the Format function specifies the desired format, where “0.00%” signifies that we want to display two decimal places and append the percentage symbol at the end.


In VBA, although there is no dedicated data type for percentages, you can utilize existing data types such as Double or Integer to work with percentage values effectively. It’s essential to choose a data type that suits your specific requirements and consider formatting options when displaying percentage output.

To summarize:

  • The Double data type is commonly used for precise calculations involving percentages.
  • The Integer data type can be used for whole numbers representing percentages but lacks decimal precision.
  • The Format function allows you to customize how percentage values are displayed.

By understanding these concepts and utilizing appropriate data types and formatting techniques, you can handle percentage values efficiently in VBA programming.

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