Square Root Calculator › Square root of 338
Square Root of 338
√338 ≈ 18.384776
338 is not a perfect square, so √338 is an irrational number that is approximately 18.384776. In simplified radical form, √338 = 13√2.
√338 lies between √324 = 18 and √361 = 19.
| Number | 338 |
| Square root (decimal) | 18.384776 |
| Simplified radical | 13√2 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 338 a perfect square?
No, 338 is not a perfect square, so its square root is irrational and approximately 18.384776.
What is the square root of 338 in simplest radical form?
√338 = 13√2 in simplest radical form.