√121 = 11
121 is a perfect square: 11 × 11 = 121, so √121 = 11 exactly (no decimals).
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 117 | 10.8167 |
| 118 | 10.8628 |
| 119 | 10.9087 |
| 120 | 10.9545 |
| 122 | 11.0454 |
| 123 | 11.0905 |
| 124 | 11.1355 |
| 125 | 11.1803 |