Cube Root Calculator Online

Cube Root Calculator Description

The formula for calculating Cube Root is:
Cube root of x:
Cube root = 3√x
x= 27
Cube root = 3√27
Cube root = 3

Cube Root Calculator Explanation


The result of a number (x) being multiplied three times is referred to as the cube of that number. The result of a number when multiplied with itself three times is called the cube of that number. We can represent cube of any number e.g. y3 and you can read it as "y to the power of 3" or "y-cubed" or "y raised to 3". Here we can take the example of a number let say 4. We know that by multiplying 4 with itself it gives 64 means 4 x 4 x 4 = 64. Hence, 64 is called the cube of 4. While on the other hand, when we are talking about finding cube root of a number it means the reverse or opposite process of a cube of a number and it is represented by ∛. Considering the example of same number, now 4 is called the cube root of the number 64 and it is written as ∛64 = 4

Definition of a cube root

In mathematics, a cube root is a number that requires three times to be multiplied to go back to its original value. Let's examine the cube root equation, which reads as follows: ∛x = y, where y is x's cube root. The radical sign, which has a tiny 3 printed on top left of the sign, is used to represent any integer as the cube root of that number. Another way to express the cube root is to write 1/3 as the exponent of a number. The cube root of an integer is the inverse or opposite operation of the cube of that number.

Manual Calculations

  • Suppose we have a number 27.
  • When we multiply 3 with itself means 3x3x3 we get number 27.
  • The Cube root of number 27 is ∛27 which means 3x3x3=27
  • So the cube root of number 27 is 3

How to calculate cube roots with a calculator?

  • You need to enter number in the first input field "Number".
  • The results "cube root of a number" will automatically appear below.

More Calculation (Cube root of a number) Examples

  • Given Number = 125
  • Cube root of a number 125 is => ∛125
  • 5 x 5 x 5 = 125 and ∛125 = 5

  • Given Number = 216
  • Cube root of a number 216 is => ∛216
  • 6 x 6 x 6 = 216 and ∛216 = 6

  • Given Number = 512
  • Cube root of a number 512 is => ∛512
  • 8 x 8 x 8 = 512 and ∛512 = 8

  • Cube root of 64 = 4
  • Cube root of 27 = 3
  • Cube root of 2 = 1.2599210498949
  • Cube root of 9 = 2.0800838230519
  • Cube root of 216 = 6
  • Cube root of 1728 = 12
  • Cube root of 125 = 5
  • Cube root of 729 = 9
  • Cube root of 12 = 2.2894284851067
  • Cube root of 25 = 2.9240177382129
Cube Root Calculator


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