√140 ≈ 11.8322
√140 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 | 12 |
| 1 | 11.8 |
| 2 | 11.83 |
| 3 | 11.832 |
| 4 | 11.8322 |
| 5 | 11.83216 |
| 10 (digits) | 11.8321595662 |
140 = 4 × 35 and √4 = 2, so √140 = 2√35.
11.8322 × 11.8322 ≈ 140.0010, which is very close to 140.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 136 | 11.6619 |
| 137 | 11.7047 |
| 138 | 11.7473 |
| 139 | 11.7898 |
| 141 | 11.8743 |
| 142 | 11.9164 |
| 143 | 11.9583 |
| 144 | 12 |