Math

Square Root Calculator

Find the square root of a number.

Calculated Output

Square root 12

Its square (check) 144

Formula: √x is the value that, squared, gives x

Step-by-Step Breakdown

1. Values used:

2. Number = 144

4. Square root = sqrt(144) = 12

5. Its square (check) = 144

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The math behind it

√x × √x = x. Negative numbers have no real square root.

√144 = 12.

Cube root?

Use the cube root calculator for ∛x.