Millimeters Of Mercury to Atmospheres
Convert millimeters of mercury (mmHg) to atmospheres (atm). Type in either box; the other updates as you go.
How to convert millimeters of mercury to atmospheres
To convert millimeters of mercury to atmospheres, multiply the number of millimeters of mercury by 0.001315789661.
Example
Convert 5 millimeters of mercury to atmospheres:
Millimeter Of Mercury to atmosphere conversion chart
| Millimeters Of Mercury (mmHg) | Atmospheres (atm) |
|---|---|
| 1 mmHg | 0.00131579 atm |
| 2 mmHg | 0.002631579 atm |
| 3 mmHg | 0.003947369 atm |
| 4 mmHg | 0.005263159 atm |
| 5 mmHg | 0.006578948 atm |
| 6 mmHg | 0.007894738 atm |
| 7 mmHg | 0.009210528 atm |
| 8 mmHg | 0.01052632 atm |
| 9 mmHg | 0.01184211 atm |
| 10 mmHg | 0.0131579 atm |
| 12 mmHg | 0.01578948 atm |
| 15 mmHg | 0.01973684 atm |
| 20 mmHg | 0.02631579 atm |
| 25 mmHg | 0.03289474 atm |
| 30 mmHg | 0.03947369 atm |
| 40 mmHg | 0.05263159 atm |
| 50 mmHg | 0.06578948 atm |
| 60 mmHg | 0.07894738 atm |
| 70 mmHg | 0.09210528 atm |
| 75 mmHg | 0.09868422 atm |
| 80 mmHg | 0.1052632 atm |
| 90 mmHg | 0.1184211 atm |
| 100 mmHg | 0.131579 atm |
| 150 mmHg | 0.1973684 atm |
| 200 mmHg | 0.2631579 atm |
| 250 mmHg | 0.3289474 atm |
| 500 mmHg | 0.6578948 atm |
| 1,000 mmHg | 1.31579 atm |
Going the other way? See the atmospheres to millimeters of mercury chart.
About the units
Millimeter Of Mercury (mmHg)
A millimeter of mercury is about 133.3 pascals. Blood pressure is measured in mmHg.
Atmosphere (atm)
A standard atmosphere is exactly 101,325 pascals, average air pressure at sea level.
Frequently asked questions
How many atmospheres are in a millimeter of mercury?
There are 0.001315789661 atmospheres in a millimeter of mercury.
How many millimeters of mercury are in an atmosphere?
There are 759.9998917 millimeters of mercury in an atmosphere.
How do you convert millimeters of mercury to atmospheres?
To convert millimeters of mercury to atmospheres, multiply the number of millimeters of mercury by 0.001315789661.
What is 5 millimeters of mercury in atmospheres?
5 millimeters of mercury equals 0.00657895 atmospheres.
Convert between psi, bar, kilopascals, atmospheres and millimeters of mercury. Open the pressure converter to see a value in every unit at once.