Hectopascal to Atmosphere Converter
EngineeringPascals, bar, psi and more.
How to convert Hectopascal to Atmosphere
Multiply the hectopascal value by 0.000986923: 1 hPa = 0.000986923 atm. Going the other way, 1 atm = 1,013.25 hPa, so divide by 0.000986923 or use the Atmosphere to Hectopascal converter.
About these units
Hectopascal (hPa)
A hectopascal is 100 pascals, identical to a millibar. Weather forecasts report atmospheric pressure in hPa, typically around 1,013.
Atmosphere (atm)
A standard atmosphere is defined as exactly 101,325 pascals, roughly the average air pressure at sea level. It is about 14.7 psi or 1.013 bar.
Hectopascal to Atmosphere conversion table
| Hectopascal (hPa) | Atmosphere (atm) |
|---|---|
| 1 hPa | 0.000986923 atm |
| 2 hPa | 0.00197385 atm |
| 3 hPa | 0.00296077 atm |
| 4 hPa | 0.00394769 atm |
| 5 hPa | 0.00493462 atm |
| 10 hPa | 0.00986923 atm |
| 20 hPa | 0.0197385 atm |
| 25 hPa | 0.0246731 atm |
| 50 hPa | 0.0493462 atm |
| 100 hPa | 0.0986923 atm |
| 500 hPa | 0.493462 atm |
| 1,000 hPa | 0.986923 atm |
More hectopascal conversions
- Hectopascal to Pascal1 hPa = 100 Pa
- Hectopascal to Kilopascal1 hPa = 0.1 kPa
- Hectopascal to Megapascal1 hPa = 0.0001 MPa
- Hectopascal to Bar1 hPa = 0.001 bar
- Hectopascal to Millibar1 hPa = 1 mbar
- Hectopascal to Psi1 hPa = 0.0145038 psi
- Hectopascal to Kgf per Sq Cm1 hPa = 0.00101972 kgf/cm²
- Hectopascal to Exapascal1 hPa = 1e-16 EPa
See every unit on the Pressure Converter.