Speed of Sound in Water Calculator
Restricted purewaterMarczaktemperaturepolynomialm/satnearambientpressure,0≤T≤40C,not generalpressure/salinitymodel. Actual matched calibration,units,edition,geometry/measurement and model applicability independently established;not hearing/structural safety,compliance or universal perceptual prediction.
Description
Sound speed in pure water varies with temperature and pressure.
Sound speed in pure water varies with temperature and pressure.1
This calculator applies a restricted Marczak temperature polynomial for 0–40 °C near ambient pressure, without modeling seawater salinity or general pressure effects.
When to use Speed of Sound in Water Calculator
Use this tool to apply the stated speed of sound in water calculator operation with an explicit input and unit basis.
How to use Speed of Sound in Water Calculator and how it works
- Establish the measurement basis and units described above.
- Enter actualPureWaterTemperatureC and run the tool.
- Read result.value using the output meanings below.
- If input is rejected, correct the stated type, range, ordering or alignment issue and rerun; review successful results under the declared convention.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualPureWaterTemperatureC | Pure Water Temperature C. Units, ordering and applicable branch are specified in the algorithm. | number | required; finite; further conditions in the algorithm |
Require pure-water temperature in [0,40] °C. Evaluate the five-degree polynomial shown below and return m/s; the caller establishes purity and applicability of the near-ambient-pressure branch.
c = 1402.388 + 5.0383T − 0.058109T² + 0.00033432T³ − 0.00000147797T⁴ + 0.0000000031419T⁵ Apply the declared units, ordering and branch conditions.
| Output field | Meaning | Value type |
|---|---|---|
| result | Object containing the declared output fields. | object |
| result.value | Pure-water sound speed in m/s under the restricted temperature branch. | number |
{
"input": {
"actualPureWaterTemperatureC": 0
},
"output": {
"result": {
"value": 1402.388
}
}
}Limitations and assumptions
The output applies the declared operation to the values you supply. Establish the measurement basis, units, coefficients and any caller-selected rules before interpreting it. The tool does not independently collect or verify observations or decide whether a model or reference applies.
Supply explicit required fields with the documented types and dense aligned arrays. Unknown fields, wrong types and nonfinite numbers are rejected. Branch-specific constraints are explained above. A returned boolean, signed difference or tied result follows the stated convention; an input error instead means the required input contract was not satisfied. Very large inputs or outputs may be rejected by shared resource limits.
Alternative or Complementary methods
For a related operation, use Speed of Sound in Seawater Calculator. Seawater sound speed depends on salinity, temperature and pressure.
For a related operation, use Wall Coincidence Frequency Calculator. A thin plate’s critical coincidence frequency marks where bending-wave behavior interacts with sound radiation under an ideal model.
References
-
Speed of Sound in Water Calculator — tool.io
Similar or alternative tools
- Speed of Sound in Seawater Calculator
Seawater sound speed depends on salinity, temperature and pressure.
- Wall Coincidence Frequency Calculator
A thin plate’s critical coincidence frequency marks where bending-wave behavior interacts with sound radiation under an ideal model.