| Medium (at 1 atm) | Speed (m/s) |
|---|---|
| Dry air, 0 degrees Celsius | 331 |
| Dry air, at 20 degrees Celsius | 342 |
| Fresh water, at 0 degrees Celsius | 1401 |
| Fresh water, at 30 degrees Celsius | 1509 |
| Salt water, at 0 degrees Celsius | 1449 |
| Salt water, at 30 degrees Celsius | 1546 |
| Lead, at 25 degrees Celsius | 1210 |
| Cast iron, at 25 degrees Celsius | 4480 |
| Aluminum, at 25 degrees Celsius | 5000 |
| Borosilicate glass, at 25 degrees Celsius | 5170 |