Square Root Calculator › Square root of 126
Square Root of 126
√126 ≈ 11.224972
126 is not a perfect square, so √126 is an irrational number that is approximately 11.224972. In simplified radical form, √126 = 3√14.
√126 lies between √121 = 11 and √144 = 12.
| Number | 126 |
| Square root (decimal) | 11.224972 |
| Simplified radical | 3√14 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 126 a perfect square?
No, 126 is not a perfect square, so its square root is irrational and approximately 11.224972.
What is the square root of 126 in simplest radical form?
√126 = 3√14 in simplest radical form.