√148 ≈ 12.1655
√148 is an irrational number, so its decimals never end or repeat. It sits between 12 and 13 because 12² = 144 and 13² = 169.
| Decimal places | Value |
|---|---|
| 0 | 12 |
| 1 | 12.2 |
| 2 | 12.17 |
| 3 | 12.166 |
| 4 | 12.1655 |
| 5 | 12.16553 |
| 10 (digits) | 12.1655250606 |
148 = 4 × 37 and √4 = 2, so √148 = 2√37.
12.1655 × 12.1655 ≈ 147.9994, which is very close to 148.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 144 | 12 |
| 145 | 12.0416 |
| 146 | 12.0830 |
| 147 | 12.1244 |
| 149 | 12.2066 |
| 150 | 12.2474 |
| 151 | 12.2882 |
| 152 | 12.3288 |