Calculators

Cube Root Calculator

Calculate the cube root of a number from -1000000000000000 to 1000000000000000 locally in your browser.

Enter a number from -1000000000000000 to 1000000000000000 to see its cube root and whether it is a perfect cube. The calculation runs locally in your browser; your value is not uploaded or stored.

Your cube root result will appear here.

Find a cube root without uploading anything.

Enter a number from -1000000000000000 to 1000000000000000 to see its cube root and whether it is a perfect cube. Everything runs locally in your browser, so your value is not uploaded or stored.

Frequently Asked Questions

Everything you need to know about this tool, how it works, and privacy.

What is a cube root?

The cube root of a number n is the value that multiplies by itself twice to give n. For example, the cube root of 27 is 3 because 3 x 3 x 3 = 27. Unlike square roots, negative numbers have a real cube root: the cube root of -8 is -2.

What does the cube root calculator show?

Enter a number from -1000000000000000 to 1000000000000000. The calculator returns its cube root and reports whether it is a perfect cube. For example, 27 gives 3 with perfect cube Yes, while 28 gives about 3.03658897188 with perfect cube No.

Which inputs are accepted?

Enter a number from -1000000000000000 to 1000000000000000. Decimal values and negative numbers are accepted. Non-numeric text and values outside the limit show a clear error instead of a result.

Do my numbers stay private?

Yes. The calculation and copy action run locally in your browser. CodeASystem does not upload or store the value you enter.