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| Pascal | Millimeter of Mercury |
|---|---|
| 0.01 Pa | 7.5006e-5 mmHg |
| 0.1 Pa | 0.001 mmHg |
| 1 Pa | 0.008 mmHg |
| 2 Pa | 0.015 mmHg |
| 3 Pa | 0.023 mmHg |
| 5 Pa | 0.038 mmHg |
| 10 Pa | 0.075 mmHg |
| 20 Pa | 0.15 mmHg |
| 50 Pa | 0.375 mmHg |
| 100 Pa | 0.75 mmHg |
| 250 Pa | 1.875 mmHg |
| 500 Pa | 3.75 mmHg |
| 750 Pa | 5.625 mmHg |
| 1000 Pa | 7.501 mmHg |
The pascal (Pa) is the SI (International System of Units) derived unit of pressure, defined as one newton per square meter. It is a fundamental unit used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The pascal is widely recognized in scientific and engineering fields, making it essential for accurate pressure measurement.
The pascal is standardized by the International System of Units (SI) and is used globally in various applications, including meteorology, engineering, and physics. It provides a consistent framework for measuring pressure, ensuring that data can be compared and understood universally.
The pascal was named after Blaise Pascal, a French mathematician, physicist, and inventor who made significant contributions to fluid mechanics and pressure measurement in the 17th century. The unit was officially adopted in 1971 by the General Conference on Weights and Measures (CGPM) to honor Pascal's legacy and to provide a coherent system for measuring pressure.
To understand how to convert pressure units, consider an example where you want to convert 1 bar to pascal. Since 1 bar is equal to 100,000 pascals, the conversion is straightforward: [ 1 \text{ bar} = 100,000 \text{ Pa} ]
The pascal is commonly used in various fields:
To interact with the pascal conversion tool, follow these steps:
What is 1 bar in pascal?
How do I convert pascal to bar?
What is the relationship between pascal and newton?
Can I use pascal for atmospheric pressure?
How do I convert pascal to other pressure units?
By utilizing the pascal conversion tool, you can ensure accurate pressure measurements, which are crucial in many scientific and engineering applications. For more information and to access the tool, visit Pascal Conversion Tool.
The term mmHg, or millimeters of mercury, is a unit of pressure defined as the pressure exerted by a column of mercury exactly 1 millimeter high at the acceleration of gravity. It is commonly used in various scientific and medical applications, particularly in measuring blood pressure and atmospheric pressure.
The mmHg unit is standardized in the International System of Units (SI) and is equivalent to approximately 133.322 pascals (Pa). This standardization allows for consistent measurements across different scientific disciplines, ensuring accuracy and reliability in data reporting.
The use of mercury in pressure measurement dates back to the 17th century when Evangelista Torricelli invented the barometer. The mmHg unit gained prominence due to its practicality and the density of mercury, which provides a clear and measurable standard for pressure. Over the years, mmHg has been widely adopted in both clinical settings for blood pressure readings and in meteorology for atmospheric pressure measurements.
To convert a pressure reading from mmHg to pascals, you can use the following formula:
[ \text{Pressure (Pa)} = \text{Pressure (mmHg)} \times 133.322 ]
For instance, if you have a pressure reading of 760 mmHg, the equivalent in pascals would be:
[ 760 , \text{mmHg} \times 133.322 , \text{Pa/mmHg} = 101325.2 , \text{Pa} ]
The mmHg unit is primarily used in the medical field to measure blood pressure, where normal readings are typically around 120/80 mmHg. Additionally, it is used in meteorology to report atmospheric pressure, with standard atmospheric pressure defined as 760 mmHg at sea level.
To utilize the mmHg conversion tool effectively, follow these steps:
What is mmHg?
How do I convert mmHg to pascals?
Why is mmHg used in measuring blood pressure?
What is the standard atmospheric pressure in mmHg?
Can I use the mmHg tool for other pressure units?
By utilizing the mmHg conversion tool effectively, you can enhance your understanding of pressure measurements and ensure accurate calculations in both medical and scientific contexts. For more information and to access the tool, visit our mmHg Conversion Tool.
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