# Square root of 42

### Square Root Calculator

Please enter a real number, then press 'Calculate':

#### Square root result:

Sqrt(42). Find the square root of 42 or any other real number, positive or negative. Here are the answers to questions like: Square root of 42 or what is the square root of 42?

## What is square root? Definition of square root

A square root of a number 'x' is a number y such that y2 = x, in other words, a number y whose square is y. For example, 6 is the square root of 36 because 62 = 6•6 = 36, -6 is square root of 36 because (-6)2 = (-6)•(-6) = 36. When writing math, people often use sqrt(x) to mean the square root of x. Read more about square root here: Square Root - Wikipedia and here: Square Root - Wolfram

## Square Symbol?

Here is the square root symbol. It is is denoted by √, known as the radical sign or radix. ### Square root of values around 42

NumberSqrt
The square root of 41.6 is 6.450
The square root of 41.7 is 6.458
The square root of 41.8 is 6.465
The square root of 41.9 is 6.473
The square root of 42 is 6.481
The square root of 42.1 is 6.488
The square root of 42.2 is 6.496
The square root of 42.3 is 6.504
The square root of 42.4 is 6.512
The square root of 42.5 is 6.519