√124 ≈ 11.1355
√124 is an irrational number, so its decimals never end or repeat. It sits between 11 and 12 because 11² = 121 and 12² = 144.
| Decimal places | Value |
|---|---|
| 0 | 11 |
| 1 | 11.1 |
| 2 | 11.14 |
| 3 | 11.136 |
| 4 | 11.1355 |
| 5 | 11.13553 |
| 10 (digits) | 11.1355287257 |
124 = 4 × 31 and √4 = 2, so √124 = 2√31.
11.1355 × 11.1355 ≈ 123.9994, which is very close to 124.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 120 | 10.9545 |
| 121 | 11 |
| 122 | 11.0454 |
| 123 | 11.0905 |
| 125 | 11.1803 |
| 126 | 11.2250 |
| 127 | 11.2694 |
| 128 | 11.3137 |