Free square root calculator to calculate square root. Instant results in your browser — no signup.
Also known as: Calculate square root, square root calculator, sqrt calculator, radical calculator, calculate square root calculator, calculate square root, powers & logs math, powers & logs calculate square root
Results update when you click Calculate.
√x
7.071068
Irrational / decimal root
√50.0000 = 7.071068
Free square root calculator to calculate square root. Instant results in your browser — no signup. Principal square root: the non-negative number y such that y² = x.
Principal square root: the non-negative number y such that y² = x.
√50 ≈ 7.071068.
This tool returns the real principal root for x ≥ 0.