√63 ≈ 7.9373
√63 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 | 7.9 |
| 2 | 7.94 |
| 3 | 7.937 |
| 4 | 7.9373 |
| 5 | 7.93725 |
| 10 (digits) | 7.9372539332 |
63 = 9 × 7 and √9 = 3, so √63 = 3√7.
7.9373 × 7.9373 ≈ 63.0007, which is very close to 63.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 59 | 7.6811 |
| 60 | 7.7460 |
| 61 | 7.8102 |
| 62 | 7.8740 |
| 64 | 8 |
| 65 | 8.0623 |
| 66 | 8.1240 |
| 67 | 8.1854 |