pascals (Pa) | hectopascals (hPa) |
---|---|
0 | 0 |
1 | 0.01 |
2 | 0.02 |
3 | 0.03 |
4 | 0.04 |
5 | 0.05 |
6 | 0.06 |
7 | 0.07 |
8 | 0.08 |
9 | 0.09 |
10 | 0.1 |
20 | 0.2 |
30 | 0.3 |
40 | 0.4 |
50 | 0.5 |
60 | 0.6 |
70 | 0.7 |
80 | 0.8 |
90 | 0.9 |
100 | 1 |
1000 | 10 |
Pascal (Pa) and hectopascal (hPa) are both units of pressure, with the hectopascal being a multiple of the pascal. Understanding this conversion is essential in fields like meteorology, where hectopascals are commonly used to measure atmospheric pressure.
The relationship between pascals and hectopascals is quite straightforward. "Hecto" is a metric prefix that means 100. Therefore:
This means that 1 hectopascal is equal to 100 pascals.
To convert from pascals to hectopascals, you simply divide the number of pascals by 100.
Example:
Convert 1 pascal to hectopascals.
So, 1 pascal is equal to 0.01 hectopascals.
To convert from hectopascals to pascals, you multiply the number of hectopascals by 100.
Example:
Convert 1 hectopascal to pascals.
Thus, 1 hectopascal is equal to 100 pascals.
The pascal unit is named after Blaise Pascal (1623-1662), a French mathematician, physicist, inventor, writer, and philosopher. Pascal's law states that pressure applied to a confined fluid is transmitted equally in all directions throughout the fluid. This principle is fundamental in hydraulics and fluid mechanics.
See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the hectopascals to other unit conversions.
Pascal (Pa) is the SI unit of pressure, defined as the force of one newton acting on an area of one square meter. This section will delve into the definition, formation, historical context, and practical applications of Pascal.
The pascal (Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. It is defined as one newton per square meter.
It can also be described using SI base units:
Pascal as a unit is derived from the fundamental units of mass (kilogram), length (meter), and time (second). Pressure, in general, is defined as force per unit area.
Thus, Pascal combines these: which translates to .
The unit is named after Blaise Pascal (1623-1662), a French mathematician, physicist, inventor, writer, and Catholic theologian. He made significant contributions to the fields of mathematics, physics, and early computing.
Pascal's Law (or Pascal's Principle) states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.
Mathematically, this is often represented as:
Where:
For further reading about Pascal's Law, you can refer to Pascal's Law and Hydraulics.
Here are some examples of pressure measured in Pascals or related units (like kilopascals, kPa):
Hectopascals (hPa) are a commonly used unit of pressure, particularly in meteorology. The following sections will detail what they are, how they relate to other units, and their real-world applications.
A hectopascal (hPa) is a unit of pressure defined as 100 pascals (Pa). The pascal itself is the SI unit of pressure, defined as one newton per square meter (). Therefore, 1 hPa is equivalent to 100 .
The prefix "hecto" signifies a factor of 100. This makes the hectopascal a convenient unit for measuring atmospheric pressure, as it avoids the use of excessively large or small numbers. It's directly related to other units, most notably the millibar (mbar).
This equivalence is why you'll often see hPa and mbar used interchangeably in weather reports. The older unit of pressure, the atmosphere (atm), is approximately 1013.25 hPa at sea level under standard conditions.
Hectopascals are the standard unit for reporting atmospheric pressure in meteorology. Weather maps and forecasts routinely use hPa to depict high and low-pressure systems. These pressure systems drive weather patterns. For example, low-pressure systems are often associated with clouds and precipitation, while high-pressure systems are typically associated with clear skies.
Convert 1 Pa to other units | Result |
---|---|
pascals to kilopascals (Pa to kPa) | 0.001 |
pascals to megapascals (Pa to MPa) | 0.000001 |
pascals to hectopascals (Pa to hPa) | 0.01 |
pascals to millibar (Pa to mbar) | 0.01 |
pascals to bar (Pa to bar) | 0.00001 |
pascals to torr (Pa to torr) | 0.007500616827042 |
pascals to meters of water @ 4°C (Pa to mH2O) | 0.0001019716212978 |
pascals to millimeters of mercury (Pa to mmHg) | 0.007500637554192 |
pascals to pounds per square inch (Pa to psi) | 0.00014503768078 |
pascals to kilopound per square inch (Pa to ksi) | 1.4503768078e-7 |
pascals to Inches of mercury (Pa to inHg) | 0.0002952998057228 |