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Engineering ToolBox > Speed of Sound in Air
Speed of Sound in Air at Standard Atmospheric Pressure in Imperial (BG) Units
| Temperature - t - (oF) | Speed of Sound - c - (ft/s) |
| -40 | 1004 |
| -20 | 1028 |
| 0 | 1051 |
| 10 | 1062 |
| 20 | 1074 |
| 30 | 1085 |
| 40 | 1096 |
| 50 | 1106 |
| 60 | 1117 |
| 70 | 1128 |
| 80 | 1138 |
| 90 | 1149 |
| 100 | 1159 |
| 120 | 1180 |
| 140 | 1200 |
| 160 | 1220 |
| 180 | 1239 |
| 200 | 1258 |
| 300 | 1348 |
| 400 | 1431 |
| 500 | 1509 |
| 750 | 1685 |
| 1000 | 1839 |
| 1500 | 2114 |
Speed of Sound in Air at Standard Atmospheric Pressure in SI Units
| Temperature - t - (oC) | Speed of Sound - c - (m/s) |
| -40 | 306.2 |
| 0 | 331.4 |
| 5 | 334.4 |
| 10 | 337.4 |
| 15 | 340.4 |
| 20 | 343.3 |
| 25 | 346.3 |
| 30 | 349.1 |
| 40 | 354.7 |
| 50 | 360.3 |
| 60 | 365.7 |
| 70 | 371.2 |
| 80 | 376.6 |
| 90 | 381.7 |
| 100 | 386.9 |
| 200 | 434.5 |
| 300 | 476.3 |
| 400 | 514.1 |
| 500 | 548.8 |
| 1000 | 694.8 |