Math

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Fifth Root Calculator.

Calculate the real fifth root of a number.

On-device calculationNo signup
01

Set your values

Results update as you type.

Root: 2

Root

0.000000

Results update automatically as you type.

Use Cases

Solve math problems

Quickly find the fifth root for homework, exams, or personal math practice without manual calculation.

Example: Find the fifth root of 243 to solve an algebra problem.

Engineering and science calculations

Use the fifth root in formulas involving volume, scaling, or other scientific computations where fifth roots appear.

Example: Calculate the side length of a cube with a volume of 1000 cubic units (fifth root of 1000).

Frequently Asked Questions

What is a fifth root?
The fifth root of a number x is a number y such that y^5 = x. For example, the fifth root of 32 is 2 because 2^5 = 32. This calculator finds that value for any real number.
Can I calculate the fifth root of a negative number?
Yes, the fifth root of a negative number is negative. For instance, the fifth root of -32 is -2 because (-2)^5 = -32. This calculator handles negative inputs correctly.
How do I use this calculator?
Simply enter the number you want the fifth root of in the 'Number' field and click calculate. The result will be displayed instantly, showing the real fifth root.

Tips & Common Mistakes

Tips

  • Enter the number exactly as you need it, including decimals, for precise results.
  • For large numbers, consider using scientific notation if your input field supports it, but this calculator accepts standard decimal input.
  • Remember that the fifth root of a positive number is positive, and of a negative number is negative.
  • Use the result as an estimate for further calculations; verify with multiplication if needed.

Common Mistakes to Avoid

  • Confusing the fifth root with the square root or cube root – ensure you need the fifth root specifically.
  • Forgetting that negative numbers have real fifth roots – don't assume the calculator will error.
  • Entering the number in the wrong field or with extra spaces – ensure only the number is entered.

Last updated: August 13, 2026