Square Root Formula: Square Root of x = A number n such that n² = x

Square Root Definition The Square Root Calculator makes it easy to calculate the square root of any number. The online square root calculator requires that you simply enter in any number that you want to find the square root of and then press the calculate button. That’s it! Looking to find the cube root? Check out the Cube Root Calculator.

How to Calculate Square Root Let's be honest - sometimes the best square root calculator is the one that is easy to use and doesn't require us to even know what the square root formula is in the first place! But if you want to know the exact formula for calculating square root then please check out the "Formula" box above.