Nth Root Calculator (square, cube…)
Find the square root, cube root or any nth root of a number.
Result
Result
3.000000
How it works
Result = number^(1 ÷ n)
The nth root of a number is the value that, raised to the power n, gives the number. Index 2 = square root, 3 = cube root. Example: cube root of 27 = 3.
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Frequently asked questions
What is the cube root of 27?
3, because 3 × 3 × 3 = 27.
Can I take the root of a negative number?
Only with an odd index (e.g. cube root of −8 = −2). Even roots of negatives have no real value.
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