Using UNICHAR DAX Function in Power BI

What the purpose of UNICHAR DAX Function in Power BI?

In Power BI, small design elements can significantly enhance the visual appeal and usability of reports. Adding symbols, icons, or special characters can improve readability, simplify navigation, and make insights more impactful. While Power BI doesn’t offer built-in options for custom symbols, the UNICHAR DAX function provides an easy solution by enabling the use of Unicode characters.

Some practical applications include:

  • Better Data Visualization: Display trends or alerts with arrows, checkmarks, or warning icons.
  • Enhanced Visual Appeal: Add stars, bullets, or emojis for a more engaging design.
  • Dynamic Indicators: Use Unicode characters in conditional formatting to emphasize key metrics.

In this blog, we’ll explore how to leverage the UNICHAR DAX function, its key use cases, and best practices for elevating your Power BI reports.

 

How to use UNICHAR DAX Function in Power BI?

Overview of the Character and Function

The number that corresponds to the character you want to see in your graphic is what the UNICHAR() method takes. 
Consult an internet tool like this one to locate the character you’re looking for. 
https://unicode-table.com/

Showing End Result

Application of DAX UNICHAR Characters
 
Power BI graphics may benefit from conditional formatting using DAX UNICHAR characters, as shown in the first picture above. 
You may also be aware that it’s best practice to stay away from using colors in graphics that color-blind folks can’t understand. 
Here, UNICHAR characters might be useful since they let you color-code the numbers and use an icon to denote direction.
 
Trend Formatting Using Sets of Icons
 
The following is the standard procedure for utilizing UNICHAR characters in visual:
  • Determine the message you wish to convey, for instance, changes in performance or goal completion.
  • Find group of icons that effectively conveys the notion.
The next step is to create DAX formula (measure) that will use the DAX UNICHAR function to return the appropriate character. 

Calculation Using UNICHAR Function

The table in the example below appears like the top picture when the aforementioned measure is added to it (shown again below).

Achived Result

 

As you can see, business intelligence has a lot to offer businesses of all sizes across all industries. If you’re not already using BI in your decision-making process, now is the time to start! 

For more customizable options, feel free to reach out to our Power BI Consultant and explore tailored solutions to meet your specific needs.

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