Math

Cube Root Calculator

Find the cube root of a number, the value that multiplied by itself three times gives the original number.

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The result is the number which, multiplied by itself three times, gives the number you entered.

Formula

Cube root of x is the number y such that y × y × y = x.

How it works

Enter any number, positive, negative, or zero. The calculator returns its cube root. For example, the cube root of 27 is 3.

FAQs

What does the Cube Root do?
It takes the values you enter and works out the cube root for you, showing the result straight away.

What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.

Can I use the result for homework or everyday math?
Yes. It is a general-purpose math helper; for exam or professional work, still check the steps against your own working.

Related calculators

Absolute Value Calculator

Arithmetic Sequence Calculator

Circle Area Calculator

Fast results

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Free to use

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Formula shown on the page

Each page shows the formula it uses, so you can check the result yourself.

Works on mobile

Built for phone browsers.

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