Convert centimeter water (4°C) to petapascal
Please provide values below to convert centimeter water (4°C) [cmH2O] to petapascal [PPa], or Convert petapascal to centimeter water (4°C).
How to Convert Centimeter Water (4°c) to Petapascal
1 cmH2O = 9.80638e-14 PPa
Example: convert 15 cmH2O to PPa:
15 cmH2O = 15 × 9.80638e-14 PPa = 1.470957e-12 PPa
Centimeter Water (4°c) to Petapascal Conversion Table
| centimeter water (4°C) | petapascal |
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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.
Petapascal
A petapascal (PPa) is a unit of pressure equal to 10^15 pascals.
History/Origin
The petapascal was introduced as part of the SI prefix system to represent extremely high pressures, mainly in scientific and industrial contexts, as the need to measure such large values arose with advancements in high-pressure physics and astrophysics.
Current Use
Petapascal is used in fields such as astrophysics, geophysics, and high-pressure physics to quantify extremely high pressures, such as those found in planetary interiors or during high-energy experiments.