√26 ≈ 5.0990
√26 is an irrational number, so its decimals never end or repeat. It sits between 5 and 6 because 5² = 25 and 6² = 36.
| Decimal places | Value |
|---|---|
| 0 | 5 |
| 1 | 5.1 |
| 2 | 5.10 |
| 3 | 5.099 |
| 4 | 5.0990 |
| 5 | 5.09902 |
| 10 (digits) | 5.0990195136 |
26 has no perfect-square factor other than 1, so √26 is already in simplest radical form.
5.0990 × 5.0990 ≈ 25.9998, which is very close to 26.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 22 | 4.6904 |
| 23 | 4.7958 |
| 24 | 4.8990 |
| 25 | 5 |
| 27 | 5.1962 |
| 28 | 5.2915 |
| 29 | 5.3852 |
| 30 | 5.4772 |