Millimeters of mercury to Atmospheres
Convert Millimeters of mercury to Atmospheres with an exact factor. One millimeter of mercury equals 0.00131579 Atmospheres.
Result0.00131579
How to convert Millimeters of mercury to Atmospheres
The converter above changes Millimeters of mercury into Atmospheres instantly. As a reference point, one millimeter of mercury corresponds to 0.00131579 Atmospheres, and one atmosphere corresponds to 759.99989173 Millimeters of mercury. Use the table below for common values.
Millimeters of mercury × 0.00131579 = Atmospheres
For example, 5 Millimeters of mercury = 0.00657895 Atmospheres.
About the units
- Millimeters of mercury (mmHg) — Millimetres of mercury, used in medicine and weather.
- Atmospheres (atm) — The standard atmosphere, 101,325 Pa.
Millimeters of mercury to Atmospheres conversion table
| Millimeters of mercury | Atmospheres |
|---|---|
| 1 mmHg | 0.00131579 atm |
| 2 mmHg | 0.00263158 atm |
| 3 mmHg | 0.00394737 atm |
| 5 mmHg | 0.00657895 atm |
| 10 mmHg | 0.0131579 atm |
| 15 mmHg | 0.01973684 atm |
| 20 mmHg | 0.02631579 atm |
| 25 mmHg | 0.03289474 atm |
| 50 mmHg | 0.06578948 atm |
| 100 mmHg | 0.13157897 atm |
| 200 mmHg | 0.26315793 atm |
| 500 mmHg | 0.65789483 atm |
Atmospheres to Millimeters of mercury conversion table
| Atmospheres | Millimeters of mercury |
|---|---|
| 1 atm | 759.99989173 mmHg |
| 2 atm | 1,519.99978345 mmHg |
| 3 atm | 2,279.99967518 mmHg |
| 5 atm | 3,799.99945863 mmHg |
| 10 atm | 7,599.99891726 mmHg |
| 15 atm | 11,399.99837588 mmHg |
| 20 atm | 15,199.99783451 mmHg |
| 25 atm | 18,999.99729314 mmHg |
| 50 atm | 37,999.99458628 mmHg |
| 100 atm | 75,999.98917256 mmHg |
| 200 atm | 151,999.97834512 mmHg |
| 500 atm | 379,999.94586281 mmHg |
Frequently asked questions
How many Atmospheres is one millimeter of mercury?
One millimeter of mercury is 0.00131579 Atmospheres.
Are these pressure conversions accurate?
Yes. They use the exact standard unit definitions, so results are accurate to the number of decimals shown.
What is the formula to convert Millimeters of mercury to Atmospheres?
Multiply the number of Millimeters of mercury by 0.00131579. To convert back, multiply Atmospheres by 759.99989173.
This tool is provided for general information only. Verify important figures independently. · Last reviewed: August 25, 2026