Square Root Calculator › Square root of 51
Square Root of 51
√51 ≈ 7.141428
51 is not a perfect square, so √51 is an irrational number that is approximately 7.141428. In simplified radical form, √51 = √51.
√51 lies between √49 = 7 and √64 = 8.
| Number | 51 |
| Square root (decimal) | 7.141428 |
| Simplified radical | √51 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 51 a perfect square?
No, 51 is not a perfect square, so its square root is irrational and approximately 7.141428.
What is the square root of 51 in simplest radical form?
√51 = √51 in simplest radical form.