Square Root Calculator › Square root of 315
Square Root of 315
√315 ≈ 17.748239
315 is not a perfect square, so √315 is an irrational number that is approximately 17.748239. In simplified radical form, √315 = 3√35.
√315 lies between √289 = 17 and √324 = 18.
| Number | 315 |
| Square root (decimal) | 17.748239 |
| Simplified radical | 3√35 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 315 a perfect square?
No, 315 is not a perfect square, so its square root is irrational and approximately 17.748239.
What is the square root of 315 in simplest radical form?
√315 = 3√35 in simplest radical form.