To get the nth root of a number, you can use the caret(^) operator with 1/n as the exponent in a simple formula, or you can use the POWER function. In the example shown, the formula in D5 is:


Generic formula



By definition, the nth root of a number can be calculated by raising that number to the power of 1/n. Exponents are entered using the exponentiation operator (^), with a number on the left and power on the right. So, in this example we get the numbers from column B and powers from column C:


With the POWER function

The POWER function is another way to perform exponentiation in Excel. To get the nth root of a number with POWER, use the number with 1/n for the power argument:


So for the example shown, the formula in D5 would be:



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Dave Bruns

Hi - I'm Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.