hectopascal to atmosphere (standard)
1 hectopascal equals 0.000986923 atmosphere (standard), and 1 atmosphere (standard) equals 1013.25 hectopascal.
Conversion formula
atm = hPa × 0.000986923
To convert hectopascal to atmosphere (standard), multiply the value by 0.000986923.
Conversion table
| 1 hPa | 0.000986923 atm |
|---|---|
| 2 hPa | 0.00197385 atm |
| 5 hPa | 0.00493462 atm |
| 10 hPa | 0.00986923 atm |
| 25 hPa | 0.0246731 atm |
| 50 hPa | 0.0493462 atm |
| 100 hPa | 0.0986923 atm |
| 500 hPa | 0.493462 atm |
| 1000 hPa | 0.986923 atm |
Reverse conversion table
| 1 atm | 1013.25 hPa |
|---|---|
| 2 atm | 2026.5 hPa |
| 5 atm | 5066.25 hPa |
| 10 atm | 10132.5 hPa |
| 25 atm | 25331.3 hPa |
| 50 atm | 50662.5 hPa |
| 100 atm | 101325 hPa |
| 500 atm | 506625 hPa |
| 1000 atm | 1013250 hPa |
Key facts
| 1 hectopascal | 0.000986923 atmosphere (standard) |
|---|---|
| 1 atmosphere (standard) | 1013.25 hectopascal |
Frequently asked questions
How do I convert hectopascal to atmosphere (standard)?
Multiply the hectopascal value by 0.000986923 to get atmosphere (standard). For example, 10 hectopascal = 0.00986923 atmosphere (standard).
How do I convert atmosphere (standard) back to hectopascal?
Divide the atmosphere (standard) value by 0.000986923 (equivalently, multiply by 1013.25) to get hectopascal.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page