Square Root Calculator › Square root of 308
Square Root of 308
√308 ≈ 17.549929
308 is not a perfect square, so √308 is an irrational number that is approximately 17.549929. In simplified radical form, √308 = 2√77.
√308 lies between √289 = 17 and √324 = 18.
| Number | 308 |
| Square root (decimal) | 17.549929 |
| Simplified radical | 2√77 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 308 a perfect square?
No, 308 is not a perfect square, so its square root is irrational and approximately 17.549929.
What is the square root of 308 in simplest radical form?
√308 = 2√77 in simplest radical form.