Water - Speed of Sound vs. Temperature

Speed of sound in water at temperatures ranging 32 - 212°F (0 - 100°C) - Imperial and SI units.

Speed of Sound in Water

Calculate the speed of sound in water based on temperature. This tool provides data for temperatures ranging from 32°F to 212°F (0°C to 100°C) in both imperial and SI units.

Note: Speed of sound in water increases with temperature up to approximately 74°C, then decreases at higher temperatures.

Calculator

Inputs

Results

Speed of Sound-- inputs.unit_system == 'imperial' ? 'ft/s' : 'm/s'
Temperature (°F)Speed of Sound (ft/s)
324603
404672
504748
604814
704871
804919
904960
1004995
1205049
1405091
1605101
1805095
2005089
2125062
Temperature (°C)Speed of Sound in Water (m/s)Speed of Sound in Seawater (m/s)
014031449
51427
1014471490
2014811522
3015071546
4015261563
501541
601552
701555
801555
901550
1001543

Reference Information

  • Seawater salinity: S = 35 (35.17 g/kg)
  • Conversion factor: 1 m/s = 3.28 ft/s
  • Temperature range: 32°F to 212°F (0°C to 100°C)
  • Note: Speed of sound reaches maximum around 74°C (165°F) in fresh water, after which it decreases with further temperature increase.