The square root of 7 is 2.64575131 (rounded to 8 decimal places).
The square root of 7 is 2.64575131 (rounded to 8 decimal places).
It is not a perfect square and has no square factor, so √7 is irrational and cannot be simplified.
7 lies between the perfect squares 4 (2²) and 9 (3²), so √7 is between 2 and 3. Our answer 2.64575131 fits that range.
You can check it by squaring the result: 2.64575131² ≈ 7.
| √7 | = 2.64575131 |
| 2.64575131² | = 7 |
| ∛7 | = 1.912931 |
| Number | Square root | Note |
|---|---|---|
| 3 | 1.732051 | |
| 4 | 2 | perfect square |
| 5 | 2.236068 | |
| 6 | 2.44949 | |
| 7 | 2.645751 | this page |
| 8 | 2.828427 | |
| 9 | 3 | perfect square |
| 10 | 3.162278 |
The square root of 7 is 2.64575131 (rounded to 8 decimal places).
No. The nearest perfect squares are 4 and 9.
Irrational. Its decimal never ends or repeats.
The cube root of 7 is about 1.912931.
Yes. Use the calculator on this page, or open the full free Scientific Calculator with memory, history and keyboard support.