What is the square root of 8?

2.828427the square root of 8 is 2.828427. This is the number that, when multiplied by itself, equals 8. Square roots appear frequently in geometry, physics, statistics, and engineering calculations.

This calculation was generated using our Square Root Calculator. For custom values or more complex scenarios, try the full interactive calculator.

Below is the step-by-step calculation used to determine the result.

Answer

2.828427

√8 = 2.828427

Step-by-Step Solution

1

Find x where x × x = 8

2

8 is not a perfect square, so the result is irrational

3

√8 ≈ 2.828427

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