Square Root Calculator › Square root of 2
Square Root of 2
√2 ≈ 1.414214
2 is not a perfect square, so √2 is an irrational number that is approximately 1.414214. In simplified radical form, √2 = √2.
√2 lies between √1 = 1 and √4 = 2.
| Number | 2 |
| Square root (decimal) | 1.414214 |
| Simplified radical | √2 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 2 a perfect square?
No, 2 is not a perfect square, so its square root is irrational and approximately 1.414214.
What is the square root of 2 in simplest radical form?
√2 = √2 in simplest radical form.