Square Root Calculator
Find the square root and square of a number.
Square root12
Square20,736
How it is calculated
The square root is the non-negative number that multiplies by itself to give x.
Worked example
| Square root | 12 |
| Square | 20,736 |
FAQ
Negative numbers?
No real square root; the tool shows 0.
Are the results exact?
Results are estimates for information only; check official sources for binding figures.