Radicals Calculator

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Radical or Roots Calculator

Use this calculator to find roots of positive and negative real numbers. This calculator will find the given root of real numbers. See additional notes associated with our square root calculator and cube root calculator.

Examples:

• The 4th root of 81, or 81 radical 4, is written as 4√81 = ±3.
• The 3rd root, or cube root, of 8 is written as 3√8 = 2.
• The 3rd root of -27, or -27 radical 3, or the cube root of -27 is written as 3 √-27 = -3.
• The 5th root of 1024, or 1024 radical 5, is written as 5√1024 = 4.

To calculate fractional exponents use our Fractional Exponents Calculator.