XL: How to Calculate the nth Root of a Number

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Article ID: 28572 - View products that this article applies to.
This article was previously published under Q28572
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SUMMARY

In Microsoft Excel, to find the nth root of a number, raise that number to the power of 1/n. For example, to find the cube root of 8 in a cell, type the following:
=8^(1/3)
The following is the general form of the equation
=num^(1/n)
where "num" is the number you want to find the root of, and "n" is the root.

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Article ID: 28572 - Last Review: August 16, 2005 - Revision: 1.1
APPLIES TO
  • Microsoft Excel 2.0 Standard Edition
  • Microsoft Excel 2.01
  • Microsoft Excel 2.1 Standard Edition
  • Microsoft Excel 2.10c
  • Microsoft Excel 2.10d
  • Microsoft Excel 3.0 Standard Edition
  • Microsoft Excel 3.0a
  • Microsoft Excel 4.0 Standard Edition
  • Microsoft Excel 4.0a
  • Microsoft Excel 4.0c
  • Microsoft Excel 5.0 Standard Edition
  • Microsoft Excel 5.0c
  • Microsoft Excel 1.0 for Macintosh
  • Microsoft Excel 1.03 for Macintosh
  • Microsoft Excel 1.04 for Macintosh
  • Microsoft Excel 1.06 for Macintosh
  • Microsoft Excel 1.5 for Macintosh
  • Microsoft Excel 1.5a for Macintosh
  • Microsoft Excel 2.2 for Macintosh
  • Microsoft Excel 2.2a
  • Microsoft Excel 3.0 for Macintosh
  • Microsoft Excel 4.0 for Macintosh
  • Microsoft Excel 5.0 for Macintosh
  • Microsoft Excel 5.0a for Macintosh
  • Microsoft Excel 95 Standard Edition
  • Microsoft Excel 97 Standard Edition
Keywords: 
KB28572
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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