Atmospheres to Hectopascals
Convert atmospheres (atm) to hectopascals (hPa). Type in either box; the other updates as you go.
How to convert atmospheres to hectopascals
To convert atmospheres to hectopascals, multiply the number of atmospheres by 1,013.25.
Example
Convert 5 atmospheres to hectopascals:
Atmosphere to hectopascal conversion chart
| Atmospheres (atm) | Hectopascals (hPa) |
|---|---|
| 1 atm | 1,013.25 hPa |
| 2 atm | 2,026.5 hPa |
| 3 atm | 3,039.75 hPa |
| 4 atm | 4,053 hPa |
| 5 atm | 5,066.25 hPa |
| 6 atm | 6,079.5 hPa |
| 7 atm | 7,092.75 hPa |
| 8 atm | 8,106 hPa |
| 9 atm | 9,119.25 hPa |
| 10 atm | 10,132.5 hPa |
| 12 atm | 12,159 hPa |
| 15 atm | 15,198.75 hPa |
| 20 atm | 20,265 hPa |
| 25 atm | 25,331.25 hPa |
| 30 atm | 30,397.5 hPa |
| 40 atm | 40,530 hPa |
| 50 atm | 50,662.5 hPa |
| 60 atm | 60,795 hPa |
| 70 atm | 70,927.5 hPa |
| 75 atm | 75,993.75 hPa |
| 80 atm | 81,060 hPa |
| 90 atm | 91,192.5 hPa |
| 100 atm | 101,325 hPa |
| 150 atm | 151,987.5 hPa |
| 200 atm | 202,650 hPa |
| 250 atm | 253,312.5 hPa |
| 500 atm | 506,625 hPa |
| 1,000 atm | 1,013,250 hPa |
Going the other way? See the hectopascals to atmospheres chart.
About the units
Atmosphere (atm)
A standard atmosphere is exactly 101,325 pascals, average air pressure at sea level.
Hectopascal (hPa)
A hectopascal is 100 pascals, exactly one millibar. Weather maps give air pressure in hPa.
Frequently asked questions
How many hectopascals are in an atmosphere?
There are 1,013.25 hectopascals in an atmosphere.
How many atmospheres are in a hectopascal?
There are 0.0009869232667 atmospheres in a hectopascal.
How do you convert atmospheres to hectopascals?
To convert atmospheres to hectopascals, multiply the number of atmospheres by 1,013.25.
What is 5 atmospheres in hectopascals?
5 atmospheres equals 5,066.25 hectopascals.
Convert between psi, bar, kilopascals, atmospheres and millimeters of mercury. Open the pressure converter to see a value in every unit at once.