√144 = 12
144 is a perfect square: 12 × 12 = 144, so √144 = 12 exactly (no decimals).
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 140 | 11.8322 |
| 141 | 11.8743 |
| 142 | 11.9164 |
| 143 | 11.9583 |
| 145 | 12.0416 |
| 146 | 12.0830 |
| 147 | 12.1244 |
| 148 | 12.1655 |