√25 = 5
25 is a perfect square: 5 × 5 = 25, so √25 = 5 exactly (no decimals).
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 21 | 4.5826 |
| 22 | 4.6904 |
| 23 | 4.7958 |
| 24 | 4.8990 |
| 26 | 5.0990 |
| 27 | 5.1962 |
| 28 | 5.2915 |
| 29 | 5.3852 |