How many Atmosphere are in one Millimeter of mercury?

One Millimeter of mercury equals 0.001315789661 atm. 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 Millimeter of mercury to Atmosphere 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.

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Millimeter of mercury to Atmosphere

Convert Millimeter of mercury to Atmosphere and get the exact value instantly.

Millimeter of mercury (mmHg)Atmosphere (atm)0.001315789661

1 mmHg = 0.001315789661 atm

Related conversions

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

About this conversion

To convert Millimeter of mercury to Atmosphere, multiply the number of Millimeter of mercury by 0.001315789661.

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

Millimeter of mercury (mmHg)	Atmosphere (atm)
1 mmHg	0.001315789661 atm
2 mmHg	0.002631579322 atm
5 mmHg	0.006578948306 atm
10 mmHg	0.01315789661 atm
100 mmHg	0.1315789661 atm

How to use this converter

Enter your Millimeter of mercury value
Type any number into the Millimeter of mercury field. It starts at 1 so you can read the rate straight away.
Read the Atmosphere result
The amount in Atmosphere 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 Atmosphere are in one Millimeter of mercury?: One Millimeter of mercury equals 0.001315789661 atm. 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 Millimeter of mercury to Atmosphere 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.

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