About this square root calculator
Enter a number and the root (2 for square, 3 for cube). For square roots of whole numbers the calculator also simplifies the radical by pulling out the largest square factor: 72 = 36 × 2, so √72 = 6√2.
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Square Root Calculator
Details
How to use Square Root Calculator
What the tool does, how to run it, and what to expect from the result.
At a glance
Who Square Root Calculator is for
A quick way to understand who this helps, what it solves, and where it connects next.
Best fit
Students, teachers and anyone checking a calculation.
Ideal for
Using the square root calculator without installing anything or signing up.
FAQ
Common questions
Short answers for the questions people usually have before trying a utility like this.
How do I simplify a square root?
Find the largest perfect square that divides the number and take its root outside: √50 = √(25 × 2) = 5√2.
Can I take the root of a negative number?
Odd roots, yes: the cube root of −8 is −2. Even roots of negatives are not real numbers; √−9 = 3i.
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