Convert centimeter water (4°C) to gigapascal
Please provide values below to convert centimeter water (4°C) [cmH2O] to gigapascal [GPa], or Convert gigapascal to centimeter water (4°C).
How to Convert Centimeter Water (4°c) to Gigapascal
1 cmH2O = 9.80638e-08 GPa
Example: convert 15 cmH2O to GPa:
15 cmH2O = 15 × 9.80638e-08 GPa = 1.470957e-06 GPa
Centimeter Water (4°c) to Gigapascal Conversion Table
| centimeter water (4°C) | gigapascal |
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Centimeter Water (4°c)
Centimeter water (4°C), symbol cmH2O, is a unit of pressure representing the pressure exerted by a one-centimeter column of water at 4 degrees Celsius.
History/Origin
The centimeter water was developed as a practical unit of pressure measurement in medical and engineering contexts, especially for low-pressure measurements such as respiratory and fluid pressure, originating from the use of water columns in manometers.
Current Use
It is primarily used in medical settings to measure intracranial pressure, respiratory pressures, and other low-pressure applications where precise measurement of small pressure differences is required.
Gigapascal
A gigapascal (GPa) is a unit of pressure equal to one billion pascals, where one pascal (Pa) is the force of one newton per square meter.
History/Origin
The gigapascal was introduced as part of the International System of Units (SI) to measure high-pressure phenomena, especially in materials science and geophysics, as a larger unit than the pascal for convenience.
Current Use
GPa is commonly used to quantify stress, pressure in geological formations, material strength, and high-pressure physics applications.