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Square Root Calculator

Calculate square roots of any number instantly, including perfect squares and decimals.

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Perfect Squares Reference

√4=2
√9=3
√16=4
√25=5
√36=6
√49=7
√64=8
√81=9
√100=10
√121=11
√144=12

Formulas

  • Square root: √x = x^(1/2)
  • Cube root: ∛x = x^(1/3)
  • nth root: ⁿ√x = x^(1/n)