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Square Root Calculator

Enter a number to get its square root, cube root and square. Nothing leaves your browser.

Result

How it works

The square root of n is the number that multiplied by itself gives n. Results are rounded to 4 decimal places.

FAQ

What is the square root of a number?

The value that, multiplied by itself, equals the number. The square root of 144 is 12.

What is a perfect square?

A whole number whose square root is also a whole number, such as 1, 4, 9, 16, 25.

Can I take the square root of a negative number?

Not as a real number, so this tool shows a message instead.

What is a cube root?

The number that multiplied by itself three times gives n. The cube root of 27 is 3.

Is my data uploaded?

No. Everything is calculated in your browser and nothing is sent or stored.

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Free tool, provided as is, with no guarantee. Results are for general information. Please do not enter personal information in feedback.