Convert Hectopascal to Atmosphere
1 Hectopascal = 9.8692e-4 Atmosphere · 1 Atmosphere = 1,013 Hectopascal
Conversion formula
1 hPa = 0.0009869232667 atm → hPa = 9.8692e-4 atm
The reverse direction: 1 atm = 1013.25 hPa.
Quick reference
| hPa | atm |
|---|---|
| 1 hPa | 9.8692e-4 atm |
| 2 hPa | 0.00197385 atm |
| 3 hPa | 0.00296077 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 |
| 250 hPa | 0.246731 atm |
| 500 hPa | 0.493462 atm |
| 1,000 hPa | 0.986923 atm |
About these units
The Hectopascal (hPa) and the Atmosphere (atm) are both units of pressure. Under the standard definition, one hPa equals exactly 9.8692e-4 atm. This category's SI base unit is the pascal.