# What is the square root of 80

The short answer is $$\sqrt{ 80 } = 8.9442719099992$$.

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 80.

## 80 is not a perfect square

Let's look at some math

$$\LARGE \sqrt{ 80 } = 8.9442719099992$$

Note that $$8.9442719099992$$ is not a whole number, therefore 80 is not a perfect square.

The next perfect square greater than 80 is 81. The previous perfect square less than 80 is 64.

## Square root of 80 as an exponent

Any square root can be converted to a number with a fractional exponent. In the case of 80 the following two values are equal.

$$\LARGE \sqrt{ 80 } = 80^{^1/_2}$$

## Square root of 80 as a fraction

Since 80 is not a perfect square, sometimes we might want to get a fractional estimate of the square root value. In the case of 80 that value is $$\Large 8 \frac{17}{18}$$.

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