√

Square Root Calculator

The square root of a number, simplified radical form, and any nth root.

Math & AlgebraTop 100 · #46Runs in your browser

Result…

2 for square root, 3 for cube root…

 

…

How it's calculated

ⁿ√x = x^(1/n)
√(a²·b) = a√b

The simplified form pulls out every factor that appears n times (√72 = √(36·2) = 6√2). Odd roots of negative numbers are negative; even ones are not real.

Your numbers, step by step

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