How many Hectopascal are in one Atmosphere?

One Atmosphere equals 1013.25 hPa. Enter any amount above to get an exact figure for your own value.

Is this converter accurate?

Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.

Do you upload the numbers I enter?

No. The Atmosphere to Hectopascal conversion runs entirely in your browser tab, and nothing you type is sent to a server.

Does it work on my phone?

Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

All converters

Atmosphere to Hectopascal

Convert Atmosphere to Hectopascal and get the exact value instantly.

Atmosphere (atm)Hectopascal (hPa)1013.25

1 atm = 1013.25 hPa

Related conversions

Atmosphere → Pascal Atmosphere → Kilopascal Atmosphere → Megapascal Atmosphere → Bar Atmosphere → Pound per square inch Atmosphere → Kip per square inch Atmosphere → Millimeter of mercury Atmosphere → Inch of mercury

About this conversion

To convert Atmosphere to Hectopascal, multiply the number of Atmosphere by 1013.25.

Pressure is reported in pascals, bars, PSI, atmospheres or millimeters of mercury depending on whether you are looking at tires, the weather, diving or medicine.

Conversion table

Atmosphere (atm)	Hectopascal (hPa)
1 atm	1013.25 hPa
2 atm	2026.5 hPa
5 atm	5066.25 hPa
10 atm	10132.5 hPa
100 atm	101325 hPa

How to use this converter

Enter your Atmosphere value
Type any number into the Atmosphere field. It starts at 1 so you can read the rate straight away.
Read the Hectopascal result
The amount in Hectopascal updates as you type, so there is no button to press and nothing to wait for.
Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Hectopascal are in one Atmosphere?: One Atmosphere equals 1013.25 hPa. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?: Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?: No. The Atmosphere to Hectopascal conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?: Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

SERBABISA · CAN DO ANYTHING