Square Root Calculator › Square root of 418
Square Root of 418
√418 ≈ 20.445048
418 is not a perfect square, so √418 is an irrational number that is approximately 20.445048. In simplified radical form, √418 = √418.
√418 lies between √400 = 20 and √441 = 21.
| Number | 418 |
| Square root (decimal) | 20.445048 |
| Simplified radical | √418 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 418 a perfect square?
No, 418 is not a perfect square, so its square root is irrational and approximately 20.445048.
What is the square root of 418 in simplest radical form?
√418 = √418 in simplest radical form.