Root Calculator
Square root, cube root, or any nth root.
What is a root calculator?
A root calculator finds the square root, cube root or any nth root of a number. The square root of a number is the value that, multiplied by itself, gives the number.
How to use the root calculator
Enter the number, enter the root — 2 for square root, 3 for cube root — then click Calculate. The answer appears with an explanation.
Root formula
The nth root of a number is the value that, raised to the power n, gives the number back. The square root is the 2nd root, and the cube root is the 3rd root.
Example
√144 = 12, because 12 × 12 = 144. The cube root of 27 is 3, because 3 × 3 × 3 = 27.
Frequently Asked Questions
What is the square root of 144?
The square root of 144 is 12. Try it on the calculator above.
What is the cube root of 27?
The cube root of 27 is 3. Try it on the calculator above.
What is the difference between a square root and a cube root?
A square root is a number that, raised to 2, gives the original number. A cube root is a number that, raised to 3, gives the original number.
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