Education tool
Square Root Calculator
Calculate square root with decimal and rounded results.
square root calculatormathrootnumber
How To Use Square Root Calculator
Quick notes to help you understand the result before you act on it.
Overview
Use this square root calculator to find the root of a non-negative number.
It shows a precise decimal and a rounded result.
Square Root Rule
- The square root of x is the number that, when multiplied by itself, equals x.
- For example, square root of 144 is 12.
Practical Tips
- Negative numbers do not have real square roots.
- Use exact squares for clean whole-number results.
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FAQ
Common questions about this tool.
What is the square root of 144?
The square root of 144 is 12.
Can this calculate negative roots?
No. This calculator handles real square roots for non-negative numbers.