# What is the square root of 418

The short answer is $$\sqrt{ 418 } = 20.445048300261$$.

If that's all you're looking for, thanks for coming by. But if you're interested in the hows and whys behind square roots, continue reading and we'll tell you all about the square root of 418.

## 418 is not a perfect square

Let's look at some math

$$\LARGE \sqrt{ 418 } = 20.445048300261$$

Note that $$20.445048300261$$ is not a whole number, therefore 418 is not a perfect square.

The next perfect square greater than 418 is 441. The previous perfect square less than 418 is 400.

## Square root of 418 as an exponent

Any square root can be converted to a number with a fractional exponent. In the case of 418 the following two values are equal.

$$\LARGE \sqrt{ 418 } = 418^{^1/_2}$$

## Square root of 418 as a fraction

Since 418 is not a perfect square, sometimes we might want to get a fractional estimate of the square root value. In the case of 418 that value is $$\Large 20 \frac{81}{182}$$.

## Square Root Calculator

Enter any number up to 1,000,000 in this field to calculate the square root