Power Calculators

∛ Cube Root Calculator

Find the real cube root of a number.

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Enter details

Fill in the details and click Calculate to see your results.


Also available in our Android app, with charts and full breakdown tables.

📘 About the Cube Root

Cube roots are real for positive, zero and negative numbers.

🧮 Formula

Where

  • x = input
Use the real cube root.

✏️ Worked example

Cube root of 125

You enter
Number125
You get
Cube Root5

The answer is 5.

Try this example →

🧭 How to use this calculator

What you enter

  • Number

What you get

  • Cube Root

💡 Common uses

  • School mathematics and algebra
  • Scientific calculations
  • Engineering and measurement

❓ Frequently asked questions

Can cube roots be negative?

Yes. The cube root of a negative number is negative.