Nth Root Calculator
Find a square, cube or other integer root. Odd roots accept negative values; even roots stay within the real-number domain.
- Free
- No sign-up
- Runs in your browser
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Result
Enter the required values to see your result. Use the example to try the complete calculation.
Use an integer index from 1 to 1000. Negative radicands require an odd index. The answer is the principal real root, rounded for display.
How this calculation works
Nth Root Calculator
Find a square, cube or other integer root. Odd roots accept negative values; even roots stay within the real-number domain.
Units and limits
Use an integer index from 1 to 1000. Negative radicands require an odd index. The answer is the principal real root, rounded for display.
Formulas
- Calculation
- root = sign(value) × |value|^(1/index)
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Discover VISU LinkHow to use it
- Choose the operation when available and enter your own values in the labelled fields.
- Check the units and the limits explained below before interpreting the answer.
- Read the result and its details. Copy it or download a result card; no account is required.
Examples
Worked example
The cube root of 125 is 5.
Another case
The cube root of -64 is -4. The square root of 81 is 9.
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Put this tool on your blog, store or club site. It runs inside your page, free, with no account, and a small "by VISU" credit line under it.
Questions
What does this tool calculate?
Find a square, cube or other integer root. Odd roots accept negative values; even roots stay within the real-number domain.
Which inputs and units should I use?
Use an integer index from 1 to 1000. Negative radicands require an odd index. The answer is the principal real root, rounded for display.
Can I check a worked example?
The cube root of 125 is 5.
Are my input values uploaded or stored?
No. The calculation runs in this browser. Typed values are not sent to analytics, placed in the page URL or saved by the calculator. Copying or downloading is an action you choose.
Do I need an account or a paid plan?
No. The calculation, example, result copy and result card are available without registration. VISU services are an optional next step.