Root Calculator
nth root = Number^(1/n)27^(1/3)=3
Free online tool
Root Calculator
Enter a number and the root degree to compute.
Instant calculation
Root Calculator
Enter a number and the root degree to compute.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter number
Type the radicand (number under the root sign).
- 02
Enter root degree
Type the root degree (2=square, 3=cube, etc.).
- 03
See root
Calculate to see the nth root of the number.
The formula
How this calculation works
The nth root of x is the number that when raised to power n equals x.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
Cube root of 27?
27^(1/3)=33Square root of 144?
144^(1/2)=1212Common questions
Questions about this calculation
What is the Root Calculator?
The Root Calculator helps you calculate any root of a number (square root, cube root, or nth root). Enter your values and select Calculate to get an instant result.
How is the result calculated?
The nth root of x is the number that when raised to power n equals x.
Can you show an example?
Example: Cube root of 27? — 3.
Is my data saved when I use the Root Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Root Calculator free to use?
Yes. The Root Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
Continue calculating