Convert millimeter of mercurys to atmosphere (standard)s
1 mmHg = 0.00131578966114 atm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 27 pressure & stress units
- Gigapascals GPa 0.000 000 133 322 387 415
- Megapascals MPa 0.000 133 322 387 415
- Kilopascals kPa 0.133 322 387 415
- Hectopascals hPa 1.333 223 874 15
- Pascals Pa 133.322 387 415
- Millipascals mPa 133 322.387 415
- Micropascals µPa 133 322 387.415
- Bars bar 0.001 333 223 874 15
- Millibars mbar 1.333 223 874 15
- Atmosphere (standard)s atm 0.001 315 789 661 14
- Atmosphere (technical)s at 0.001 359 51
- Torrs Torr 1.000 000 142 47
- Millitorrs mTorr 1000.000 142 47
- Millimeter of mercurys mmHg 1
- Centimeter of mercurys cmHg 0.1
- Inch of mercurys inHg 0.039 370 078 740 2
- Millimeter of waters mmH₂O 13.5951
- Centimeter of waters cmH₂O 1.359 51
- Inch of waters inH₂O 0.535 240 157 48
- Foot of waters ftH₂O 0.044 603 346 456 7
- Pound per square inchs psi 0.019 336 777 459 5
- Kilopound per square inchs ksi 0.000 019 336 777 459 5
- Pound per square foots psf 2.784 495 954 16
- Kilogram-force per square centimeters kgf/cm² 0.001 359 51
- Kilogram-force per square meters kgf/m² 13.5951
- Newton per square millimeters N/mm² 0.000 133 322 387 415
- Dyne per square centimeters dyn/cm² 1333.223 874 15
Every row is Millimeter of mercury (mmHg) converted through the pascal, in exact rational arithmetic.
How to convert millimeter of mercurys to atmosphere (standard)s
Multiply the number of millimeter of mercurys by 0.00131578966114 to get atmosphere (standard)s.
Millimeter of mercury: The conventional mmHg, exactly 133.322 387 415 Pa. Blood pressure uses this.
Atmosphere (standard): Exactly 101 325 Pa by definition.
Millimeter of mercury to Atmosphere (standard) conversion table
| Millimeter of mercurys (mmHg) | Atmosphere (standard)s (atm) |
|---|---|
| 1 mmHg | 0.001 315 789 7 |
| 2 mmHg | 0.002 631 579 3 |
| 3 mmHg | 0.003 947 369 |
| 5 mmHg | 0.006 578 948 3 |
| 10 mmHg | 0.013 157 897 |
| 20 mmHg | 0.026 315 793 |
| 25 mmHg | 0.032 894 742 |
| 50 mmHg | 0.065 789 483 |
| 100 mmHg | 0.131 578 97 |
| 250 mmHg | 0.328 947 42 |
| 500 mmHg | 0.657 894 83 |
| 1000 mmHg | 1.315 789 7 |
Atmosphere (standard) to Millimeter of mercury conversion table
| Atmosphere (standard)s (atm) | Millimeter of mercurys (mmHg) |
|---|---|
| 1 atm | 759.999 89 |
| 2 atm | 1519.9998 |
| 3 atm | 2279.9997 |
| 5 atm | 3799.9995 |
| 10 atm | 7599.9989 |
| 20 atm | 15 199.998 |
| 25 atm | 18 999.997 |
| 50 atm | 37 999.995 |
| 100 atm | 75 999.989 |
| 250 atm | 189 999.97 |
| 500 atm | 379 999.95 |
| 1000 atm | 759 999.89 |
Frequently asked
How many atmosphere (standard)s are in a millimeter of mercury?
One millimeter of mercury equals 0.001315789661 atmosphere (standard)s (mmHg → atm). That figure is exact, not rounded.
How do you convert millimeter of mercurys to atmosphere (standard)s?
Multiply the number of millimeter of mercurys by 0.00131578966114 to get atmosphere (standard)s.
What is 1 atm in millimeter of mercurys?
One atmosphere (standard) is 759.9998917 millimeter of mercurys.
What is 10 mmHg in atm?
10 mmHg = 0.013 157 897 atm.
What exactly is a millimeter of mercury?
The conventional mmHg, exactly 133.322 387 415 Pa. Blood pressure uses this.
What exactly is a atmosphere (standard)?
Exactly 101 325 Pa by definition.