Enter the pressure in millimeters of mercury and the constant 760 into the calculator to determine the pressure in atmospheres.

Pressure Converter

Enter the pressure in one field to calculate the pressure in another unit

Mm To Atm Formula

The following formula is used to calculate the conversion from millimeters of mercury (mmHg) to atmospheres (atm).

ATM = MM / 760

Variables:

  • ATM is the pressure in atmospheres
  • MM is the pressure in millimeters of mercury

To calculate the pressure in atmospheres, divide the pressure in millimeters of mercury by 760.

Millimeters of Mercury (mmHg) to Atmospheres (atm) Conversion Table
mmHg atm
10.001
50.007
100.013
200.026
500.066
750.099
1000.132
1200.158
2000.263
2500.329
3000.395
4000.526
5000.658
6000.789
7000.921
7200.947
7400.974
7601.000
8001.053
10001.316
*Equation: atm = mmHg รท 760. Reference: 1 atm = 760 mmHg = 101,325 Pa โ‰ˆ 14.696 psi โ‰ˆ 1.01325 bar.

What is a Mm To Atm?

Mm to Atm refers to the conversion from millimeters of mercury (mmHg) to atmospheres (atm), which are both units of pressure. One atmosphere is defined as the pressure necessary to support a column of mercury 760 millimeters high at 0 degrees Celsius at sea level. Therefore, to convert from mmHg to atm, you would divide the pressure in mmHg by 760.

How to Calculate Mm To Atm?

The following steps outline how to calculate the pressure in atmospheres (ATM) from millimeters of mercury (MM) using the formula: ATM = MM / 760.


  1. First, determine the pressure in millimeters of mercury (MM).
  2. Next, divide the pressure in millimeters of mercury (MM) by 760.
  3. Finally, calculate the pressure in atmospheres (ATM).
  4. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Pressure in millimeters of mercury (MM) = 570