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Excel ISO.CEILING Function

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The Excel ISO.CEILING function rounds up the nearest integer or the nearest multiple of significance based on the given number. Regardless of the sign of the number, the number will be rounded up in the result.

Formula syntax



  • number: required, the value used to round up.
  • significance: optional, the multiple to which the number is to be rounded up, if it is omitted, the default value is 1.


The ISO.CEILING function returns a numeric value.


If argument number is non-numeric, the ISO.CEILING function returns #VALUE! error value.


Excel 2013 and later versions.

Usage and Examples

To get ISO.CEILING of the numbers in B3:B7 based on the significances provided in C3:C7, please use the below formula in the first cell of the result range:


Press Enter key and then drag the autofill handle (in the bottom-rightcorner of the cell) down to get all results.
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Also, you can directly use the number in the formula:


Other Functions:

  • Excel CSC Function
    The Excel CSC function returns the cosecant of an angle provided in radians.

  • Excel CSCH Function
    The Excel CSCH function returns the hyperbolic cosecant of an angle provided in radians.

  • Excel LOOKUP Function
    LOOKUP function finds certain value in a one column or one row range, and return the corresponding value from another (one row or one column) range.

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