Square Root Calculator
Calculate the square root of any number with a complete step-by-step solution. The square root of a number is a value that, when multiplied by itself, gives the original number.
How to Calculate Square Root
The square root of a number n is a value x such that x × x = n. For example, √9 = 3 because 3 × 3 = 9.
Perfect Squares
Numbers like 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 have whole number square roots.
Non-Perfect Squares
For numbers like 2, 3, 5, 7, the result is an irrational number. We can simplify as a√b form when possible (e.g., √8 = 2√2).
Popular Square Root Calculations
Square Root of 2 →
Square Root of 3 →
Square Root of 4 →
Square Root of 5 →
Square Root of 8 →
Square Root of 9 →
Square Root of 10 →
Square Root of 12 →
Square Root of 16 →
Square Root of 18 →
Square Root of 25 →
Square Root of 36 →
Square Root of 49 →
Square Root of 64 →
Square Root of 81 →
Square Root of 100 →
Square Root of 121 →
Square Root of 144 →
Square Root of 169 →
Square Root of 200 →
Square Root of 225 →
Square Root of 256 →
Square Root of 500 →
Square Root of 1000 →