ISO.CEILING DAX Function (Math and Trig)

Rounds a number up, to the nearest integer or to the nearest multiple of significance.

Syntax

ISO.CEILING ( <Number> [, <Significance>] )
Parameter Attributes Description
Number

The value you want to round.

Significance Optional

The multiple to which you want to round.

Return values

Scalar A single value of one these types: currency, decimal, integer.

A number, of the same type as the number argument, rounded as specified.

Remarks

There are two CEILING functions in DAX, with the following differences:

  • The CEILING function emulates the behavior of the CEILING function in Excel.
  • The ISO.CEILING function follows the ISO-defined behavior for determining the ceiling value.

The two functions return the same value for positive numbers, but different values for negative numbers. When using a positive multiple of significance, both CEILING and ISO.CEILING round negative numbers upward (toward positive infinity). When using a negative multiple of significance, CEILING rounds negative numbers downward (toward negative infinity), while ISO.CEILING rounds negative numbers upward (toward positive infinity).

» 7 related functions

Examples

= ISO.CEILING  ( 10.2, 1 )                   -- Returns 11     (Integer)
= ISO.CEILING  ( 10.7, 1 )                   -- Returns 11     (Integer)
= ISO.CEILING  ( 10.2, 0.5 )                 -- Returns 10.5   (Decimal)
= ISO.CEILING  ( 10.7, 0.5 )                 -- Returns 11     (Decimal)
= ISO.CEILING  ( 10.2, CURRENCY ( 0.5 ) )    -- Returns 10.5   (Currency)
= ISO.CEILING  ( 10.7, CURRENCY ( 0.5 ) )    -- Returns 11     (Currency)
= ISO.CEILING  ( -10.2, 1 )                  -- Returns -10    (Integer)
= ISO.CEILING  ( -10.2, -1 )                 -- Returns -10    (Integer)
= ISO.CEILING  ( -10.7, 1 )                  -- Returns -10    (Integer)
= ISO.CEILING  ( -10.7, -1 )                 -- Returns -10    (Integer)
= ISO.CEILING  ( -10.2, 0.5 )                -- Returns -10    (Decimal)
= ISO.CEILING  ( -10.7, 0.5 )                -- Returns -10.5  (Decimal)
= ISO.CEILING  ( -10.2, CURRENCY ( 0.5 ) )   -- Returns -10    (Currency)
= ISO.CEILING  ( -10.7, CURRENCY ( 0.5 ) )   -- Returns -10.5  (Currency)
--  Rounding functions, using multiples of the second argument
--
--  FLOOR returns the smaller multiple
--  MROUND returns the nearer multiple (does not work with negative values)
--  CEILING returns the larger multiple
--  ISO.CEILING is like CEILING, handles differently negative numbers
DEFINE VAR Vals = GENERATESERIES ( 5, 20, 2 )
EVALUATE    
    ADDCOLUMNS (
        Vals,
        "FLOOR",        FLOOR       ( [Value], 3 ),
        "MROUND",       MROUND      ( [Value], 3 ),
        "CEILING",      CEILING     ( [Value], 3 ),
        "ISO.CEILING",  ISO.CEILING ( [Value], 3 )   
    )
Value FLOOR MROUND CEILING ISO.CEILING
5 3 6 6 6
7 6 6 9 9
9 9 9 9 9
11 9 12 12 12
13 12 12 15 15
15 15 15 15 15
17 15 18 18 18
19 18 18 21 21
--  When the significance is negative, CEILING and ISO.CEILING
--  behave differently
--  
--  CEILING rounds towards the smaller value ISO.CEILING rounds towards
--  the largest one. This is important with negative significance
DEFINE
    VAR Vals = GENERATESERIES ( -20, 0, 3 )
    VAR Significance = -3
EVALUATE
    ADDCOLUMNS (
        Vals,
        "FLOOR",        FLOOR       ( [Value], Significance ),
        "CEILING",      CEILING     ( [Value], Significance ),
        "ISO.CEILING",  ISO.CEILING ( [Value], Significance )
    )

Value FLOOR CEILING ISO.CEILING
-20 -18 -21 -18
-17 -15 -18 -15
-14 -12 -15 -12
-11 -9 -12 -9
-8 -6 -9 -6
-5 -3 -6 -3
-2 0 -3 0

Related functions

Other related functions are:

Last update: Oct 3, 2024   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

Microsoft documentation: https://docs.microsoft.com/en-us/dax/iso-ceiling-function-dax

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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.

Iterator

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.

Deprecated

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

Volatile

A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.

Deprecated

This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.

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