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Nth Root Calculator

Calculate the real nth root of a number. Root degree must be a positive integer.

Free to useNo sign-upRuns in your browser
Enter your details

Enter the inputs, then select Calculate result.

Your result
Enter your details

Result will appear here

How Nth Root Calculator works

Calculate the real nth root of a number.

Root degree must be a positive integer. Negative radicands require an odd degree. Finite real numbers only. Display uses up to 12 significant digits; binary floating-point arithmetic can introduce rounding.

Concept diagram for Nth Root Calculator, showing radicand input and the supported output.
Concept diagram; the three operation images are actual browser captures.

How to use Nth Root Calculator

Follow the labelled inputs.

Enter radicand

Replace the example with radicand. The field labels specify the expected format and units.

Calculate result
Input and settings
Nth Root Calculator: input and settings in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Check the remaining inputs

Set root degree. Root degree must be a positive integer.

Calculate result
Tool result
Nth Root Calculator: tool result in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Run, review and save

Select Calculate result. Review the calculated result, then copy it or download the result text.

Calculate result
Review the details
Nth Root Calculator: review the details in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Examples and uses for Nth Root Calculator

Check the supplied example

The starting example produces 3. Calculate the real nth root of a number.

Calculate result
Abstract input values and a mathematical worksheet.
Start with the values. Concept illustration.

Use your own inputs

Read the labels for radicand and root degree. Root degree must be a positive integer.

Calculate result
Two calculation examples shown for comparison.
Compare a second example. Concept illustration.

Record a reviewed result

Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.

Calculate result
A calculation and supporting explanation represented conceptually.
Explain the calculation. Concept illustration.

How to read the result

Read the units and assumptions with the output.

Calculate the real nth root of a number.

Root degree must be a positive integer. Negative radicands require an odd degree. Finite real numbers only. Display uses up to 12 significant digits; binary floating-point arithmetic can introduce rounding.

Calculate resultCalculate result
A mathematical result connected to the values used to calculate it.
Read the result with its inputs. Concept illustration.

Supported input and limits

Check the stated scope before you run it.

Root degree must be a positive integer. Negative radicands require an odd degree. Finite real numbers only. Display uses up to 12 significant digits; binary floating-point arithmetic can introduce rounding.

The input stays in this browser. Copy result and Download save the same displayed text.

Calculate resultCalculate result
Values and units reviewed before relying on a mathematical result.
Check values and units. Concept illustration.

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Nth Root Calculator: common questions

Answers about using Nth Root Calculator and understanding its results.

Which inputs does this tool accept?

Root degree must be a positive integer. Negative radicands require an odd degree. Finite real numbers only. Display uses up to 12 significant digits; binary floating-point arithmetic can introduce rounding.

Can I copy or download the result?

Yes. Copy result copies the displayed text, and Download saves the same result as a text file. Calculations run in your browser without an account.

Calculate result with your input

Check the calculated result, then copy or download it.

Calculate result