√300 ≈ 17.3205
√300 is an irrational number, so its decimals never end or repeat. It sits between 17 and 18 because 17² = 289 and 18² = 324.
| Decimal places | Value |
|---|---|
| 0 | 17 |
| 1 | 17.3 |
| 2 | 17.32 |
| 3 | 17.321 |
| 4 | 17.3205 |
| 5 | 17.32051 |
| 10 (digits) | 17.3205080757 |
300 = 100 × 3 and √100 = 10, so √300 = 10√3.
17.3205 × 17.3205 ≈ 299.9997, which is very close to 300.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 200 | 14.1421 |
| 225 | 15 |
| 250 | 15.8114 |
| 256 | 16 |
| 324 | 18 |
| 400 | 20 |
| 500 | 22.3607 |
| 529 | 23 |