hectopascals (hPa) | millibar (mbar) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
6 | 6 |
7 | 7 |
8 | 8 |
9 | 9 |
10 | 10 |
20 | 20 |
30 | 30 |
40 | 40 |
50 | 50 |
60 | 60 |
70 | 70 |
80 | 80 |
90 | 90 |
100 | 100 |
1000 | 1000 |
Converting between hectopascals (hPa) and millibars (mbar) is a common task in meteorology and atmospheric science. These units are, in essence, equivalent. This section will explain the conversion process and provide examples.
Hectopascals and millibars are both units of pressure. The relationship between them is defined as:
This equivalence simplifies conversions between these two units significantly.
The conversion is direct:
Therefore, to convert 1 hectopascal to millibars:
Similarly, converting from millibars to hectopascals is equally straightforward:
Thus, 1 millibar is equal to 1 hectopascal:
Atmospheric Pressure:
Meteorology:
Aviation:
Due to their equivalence, converting between hectopascals and millibars is direct and requires no numerical calculation. Both units are widely used in measuring atmospheric pressure.
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 millibar to other unit conversions.
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.
The millibar (mbar) is a unit of pressure commonly used in meteorology to measure atmospheric pressure. Understanding millibars helps in interpreting weather patterns and forecasts. Below is an overview of millibars, their relation to other units, and their significance.
A millibar is defined as 100 Pascals (Pa), where a Pascal is the SI unit of pressure (force per unit area). The prefix "milli-" indicates one-thousandth, so:
Another unit of pressure is standard atmosphere (atm)
The term "bar" comes from the Greek word "báros," meaning weight. The bar was introduced by the British physicist Napier Shaw in 1909, and the millibar soon followed as a more practical unit for meteorology because typical atmospheric pressures on Earth are close to 1000 mbar.
Atmospheric pressure is a critical factor in weather forecasting. Here's how millibars are used:
Convert 1 hPa to other units | Result |
---|---|
hectopascals to pascals (hPa to Pa) | 100 |
hectopascals to kilopascals (hPa to kPa) | 0.1 |
hectopascals to megapascals (hPa to MPa) | 0.0001 |
hectopascals to millibar (hPa to mbar) | 1 |
hectopascals to bar (hPa to bar) | 0.001 |
hectopascals to torr (hPa to torr) | 0.7500616827042 |
hectopascals to meters of water @ 4°C (hPa to mH2O) | 0.01019716212978 |
hectopascals to millimeters of mercury (hPa to mmHg) | 0.7500637554192 |
hectopascals to pounds per square inch (hPa to psi) | 0.014503768078 |
hectopascals to kilopound per square inch (hPa to ksi) | 0.000014503768078 |
hectopascals to Inches of mercury (hPa to inHg) | 0.02952998057228 |