Square Root Calculator: Find Roots Instantly
Calculate the square root of any number instantly.
What is a Square Root?
The square root of a number is a value that, when multiplied by itself, gives the original number. The symbol for square root is √.
Examples
- √9 = 3 (because 3 × 3 = 9)
- √16 = 4 (because 4 × 4 = 16)
- √2 is approx 1.414 (an irrational number)
Math FAQs
Can I calculate the square root of a negative number?
In real numbers, no. However, in complex numbers, the square root of -1 is defined as 'i' (imaginary unit).