ROUND

How to Use the Power BI DAX function ROUND

Syntax of the ROUND Function

The syntax of the ROUND function is as follows:

ROUND(❰number❱,❰num_digits❱)

Here, ❰number❱ is the numerical value that needs to be rounded off, and ❰num_digits❱ is the number of digits to which the value should be rounded. The ❰num_digits❱ argument is optional, and if not specified, the function will round off the value to the nearest integer.

Example:

To illustrate the syntax of the ROUND function, let’s consider an example. Suppose we have a table that contains the following data:

| Product | Price |

|———|——-|

| A | 10.25 |

| B | 6.75 |

| C | 15.50 |

We can use the ROUND function to round off the price values to two decimal places as follows:


ROUND([Price],2)


This will result in the following table:

| Product | Price |

|---------|-------|

| A | 10.25 |

| B | 6.75 |

| C | 15.50 |

Uses of the ROUND Function in Power BI

The ROUND function can be used in a variety of ways in Power BI. Here are some common use cases:

1. Rounding off sales figures: The ROUND function can be used to round off sales figures to two decimal places or to the nearest thousand.

2. Rounding off percentages: The ROUND function can be used to round off percentages to one decimal place or to the nearest integer.

3. Rounding off currency values: The ROUND function can be used to round off currency values to two decimal places or to the nearest dollar.

4. Rounding off time values: The ROUND function can be used to round off time values to the nearest hour or minute.

Tips for Using the ROUND Function in Power BI

Here are some tips to keep in mind when using the ROUND function in Power BI:

1. Always specify the ❰num_digits❱ argument: It is a good practice to always specify the number of digits to which the value should be rounded off. This makes the calculation more transparent and easier to understand.

2. Be consistent with rounding rules: When rounding off values, it is important to be consistent with the rounding rules. For example, if the rounding rule is to round up for values greater than 0.5, then this rule should be applied consistently to all values.

3. Be aware of the impact of rounding on calculations: Rounding off values can have a significant impact on calculations. It is important to be aware of this impact and to adjust calculations accordingly.

The ROUND function is a powerful tool that can be used to simplify data visualization and analysis in Power BI. By rounding off numerical values to a specific number of digits, the function can help to make calculations more transparent and easier to understand. When using the ROUND function in Power BI, it is important to be consistent with rounding rules and to be aware of the impact of rounding on calculations. By following these tips, you can make the most of the ROUND function in Power BI.

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