√61 ≈ 7.8102
√61 is an irrational number, so its decimals never end or repeat. It sits between 7 and 8 because 7² = 49 and 8² = 64.
| Decimal places | Value |
|---|---|
| 0 | 8 |
| 1 | 7.8 |
| 2 | 7.81 |
| 3 | 7.810 |
| 4 | 7.8102 |
| 5 | 7.81025 |
| 10 (digits) | 7.8102496759 |
61 has no perfect-square factor other than 1, so √61 is already in simplest radical form.
7.8102 × 7.8102 ≈ 60.9992, which is very close to 61.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 57 | 7.5498 |
| 58 | 7.6158 |
| 59 | 7.6811 |
| 60 | 7.7460 |
| 62 | 7.8740 |
| 63 | 7.9373 |
| 64 | 8 |
| 65 | 8.0623 |