Pascals to Hectopascals Converter
Enter the pressure in pascals below to convert it to hectopascals.
Convert Pascals to Hectopascals
Enter a value in pascals (Pa) to convert to hectopascals (hPa).
Pascal to Hectopascal Conversion Table
Table showing various pascal measurements converted to hectopascals. Click any preset value or arrow to load it into the converter.
How to Convert Pascals to Hectopascals
To convert pascals to hectopascals, multiply the pressure by the following conversion ratio: 0.01 hectopascals/pascal.
Since one pascal is equal to 0.01 hectopascals, you can use this simple formula to convert:
The pressure in hectopascals is equal to the pressure in pascals multiplied by 0.01.
For example, here's how to convert 101325 pascals to hectopascals using the formula above.
How Many Hectopascals Are in a Pascal?
There are 0.01 hectopascals in a pascal, which is why we use this value in the formula above.
Our pascal to hectopascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Pascals and hectopascals are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Pascal?
SI derived unit of pressure equal to 1 Newton per square meter (N/m²). It serves as a primary reference unit for measuring pressure across scientific and practical applications. [1]
The pascal is classified as an International System of Units (SI) unit of pressure. Pascals can be abbreviated as Pa; for example, 1 pascal can be written as 1 Pa.
As the primary coherent reference unit for pressure in this category, all other pressure units are mathematically anchored to the pascal (Pa).
In practice, pascals (Pa) are widely used across standard pressure applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Hectopascal?
A hectopascal is a unit of pressure equal to 100 pascals (Pa), the base unit for pressure. Equal to 100 Pascals (identical to 1 millibar). [2]
The hectopascal is classified as a metric and SI-compatible unit of pressure. Hectopascals can be abbreviated as hPa; for example, 1 hectopascal can be written as 1 hPa.
In the metric system, "hecto" is the standard SI prefix for hundreds, or 10². This makes the hectopascal (hPa) a convenient decimal multiple of the pascal (Pa).
In practice, hectopascals (hPa) are widely used across standard pressure applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting pressure between pascals (Pa) and hectopascals (hPa), keep full floating-point precision (1 Pa = 0.01 hPa; 1 hPa = 100 Pa) during intermediate calculations and round only the final hectopascal figure to match your instrument tolerance.
More Pascal & Hectopascal Conversions
Need to calculate in the opposite direction? Use our hectopascals to pascals converter (hPa to Pa) to switch your starting unit immediately. You can also explore related tools such as converting inches of mercury to hectopascals, converting pascals to psi, or converting pascals to megapascals.
Convert from Pascals
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Pascals (Pa) to Hectopascals (hPa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Pascal (Pa) & Hectopascal (hPa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (Pa to hPa)