TRUNC DAX Function (Math and Trig)

Truncates a number to an integer by removing the decimal, or fractional, part of the number.


TRUNC ( <Number> [, <NumberOfDigits>] )
Parameter Attributes Description

The number you want to truncate.

NumberOfDigits Optional

A number specifying the precision of the truncation; if omitted, 0 (zero).

Return values

Scalar A single decimal value.

The truncated number.


If NumberOfDigits is greater than 0 (zero), then number is truncated to the specified number of decimal places.

If NumberOfDigits is 0, the number is truncated to the integer part.

If NumberOfDigits is less than 0, the number is truncated to the left of the decimal point.

Related functions

Other related functions are:

Last update: Jul 8, 2020   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation:

DAX Conventions
Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.


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