Square Root Calculator
Enter a number to compute its square root. Supports decimals and provides high-precision results for math, science, and engineering work.
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Square Root
Enter values to calculate
How to Use the Square Root Calculator
1
Enter a non-negative number.
2
Click Calculate.
3
View the square root.
Frequently Asked Questions
What is a square root?
The square root of n is the number that, when multiplied by itself, gives n. For example, √25 = 5.
Can I find the square root of negative numbers?
Real square roots are only defined for non-negative numbers. Negative numbers involve imaginary numbers.
How precise is the result?
Results are calculated to full floating-point precision (about 15-17 significant digits).