Square Root Calculator › Square root of 258
Square Root of 258
√258 ≈ 16.062378
258 is not a perfect square, so √258 is an irrational number that is approximately 16.062378. In simplified radical form, √258 = √258.
√258 lies between √256 = 16 and √289 = 17.
| Number | 258 |
| Square root (decimal) | 16.062378 |
| Simplified radical | √258 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 258 a perfect square?
No, 258 is not a perfect square, so its square root is irrational and approximately 16.062378.
What is the square root of 258 in simplest radical form?
√258 = √258 in simplest radical form.