Free Square Root Calculator Online
Determine square roots (racine carrée) of integers, decimals, and perfect squares instantly.
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Square Root Computations
Quickly lookup or calculate the square root of any positive number. This calculator handles integers and decimals, providing the precise fractional root instantly.
Frequently Asked Questions (FAQ)
What is a square root?
The square root of a number is a value that, when multiplied by itself, yields the original number (e.g. √144 = 12).
Can you calculate square roots of negative numbers?
In the real number system, negative numbers do not have real square roots. In complex numbers, they are represented using the imaginary unit 'i' (e.g. √-1 = i).
What is a perfect square?
A perfect square is an integer that is the square of another integer (e.g., 4, 9, 16, 25, 144).
What is the French word for square root?
In French, square root is called 'racine carrée'.
Is this tool private?
Yes, all computations are performed locally in your web browser. No entries are sent to remote servers.