Square Root Calculator
Free square root calculator — updated for 2025. Accurate, instant, no sign-up needed.
√
Square Root Calculator
Square roots, cube roots & nth roots of any number
Result
—
Squared (x²)
—
Cubed (x³)
—
Root Formulas
√x = x^(1/2) · ∛x = x^(1/3) · ⁿ√x = x^(1/n)
Perfect squares: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144...