# Water - Speed of Sound vs. Temperature

Speed of Sound in Water - imperial units (BG units)

Temperature - t - (^{o}F) | Speed of Sound - c - (ft/s) |
---|---|

32 | 4603 |

40 | 4672 |

50 | 4748 |

60 | 4814 |

70 | 4871 |

80 | 4919 |

90 | 4960 |

100 | 4995 |

120 | 5049 |

140 | 5091 |

160 | 5101 |

180 | 5095 |

200 | 5089 |

212 | 5062 |

Speed of Sound in Water - in SI units

Temperature - t -(^{o}C) | Speed of Sound - c -(m/s) | |
---|---|---|

Water | Seawater | |

0 | 1403 | 1449 |

5 | 1427 | |

10 | 1447 | 1490 |

20 | 1481 | 1522 |

30 | 1507 | 1546 |

40 | 1526 | 1563 |

50 | 1541 | |

60 | 1552 | |

70 | 1555 | |

80 | 1555 | |

90 | 1550 | |

100 | 1543 |

- Seawater with salinity
*S = 35 (35.17 g/kg)* *1 m/s = 3.28 ft/s*- Speed and Velocity of Sound - Speed of sound in air, fluids and solids. Formulas and values for different materials

Note that speed is a scalar quantity. Velocity is vector quantity with direction.

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