Root Calculator: Square Root, Cube Root, and Nth Root

Your details

The number you want to find the root of. Negative values are allowed when the root degree is an odd whole number.
Which root to compute: 2 = square root, 3 = cube root, 4 = fourth root, and so on. Must be a positive whole number.
How many decimal places to show in the result.
Root resultPerfect root
4

The nth root of the radicand

Perfect rootYes - perfect root
Exponent form64 ^ (1/3)
Inverse check (root^n)64
4
Fraction<1Small1-10Medium10-50Large50+

The cube root of 64 is 4.

  • The cube root of 64 is 4.
  • 64 is a perfect cube: 4 x 4 x 4 = 64.
  • In exponent form: 64^(1/3). Raising the result back to the power 3 returns 64.

Next stepAdjust the root degree or radicand to explore other roots. Perfect roots give exact integer results.

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