The square root of 5 is 2.23606798 (rounded to 8 decimal places).
The square root of 5 is 2.23606798 (rounded to 8 decimal places).
It is not a perfect square and has no square factor, so √5 is irrational and cannot be simplified.
5 lies between the perfect squares 4 (2²) and 9 (3²), so √5 is between 2 and 3. Our answer 2.23606798 fits that range.
You can check it by squaring the result: 2.23606798² ≈ 5.
| √5 | = 2.23606798 |
| 2.23606798² | = 5 |
| ∛5 | = 1.709976 |
| Number | Square root | Note |
|---|---|---|
| 2 | 1.414214 | |
| 3 | 1.732051 | |
| 4 | 2 | perfect square |
| 5 | 2.236068 | this page |
| 6 | 2.44949 | |
| 7 | 2.645751 | |
| 8 | 2.828427 | |
| 9 | 3 | perfect square |
The square root of 5 is 2.23606798 (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 5 is about 1.709976.
Yes. Use the calculator on this page, or open the full free Scientific Calculator with memory, history and keyboard support.