Convert atmosphere (standard)s to inch of mercurys
1 atm = 29.9212555797 inHg — 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 0.000 101 325
- Megapascals MPa 0.101 325
- Kilopascals kPa 101.325
- Hectopascals hPa 1013.25
- Pascals Pa 101 325
- Millipascals mPa 101 325 000
- Micropascals µPa 101 325 000 000
- Bars bar 1.013 25
- Millibars mbar 1013.25
- Atmosphere (standard)s atm 1
- Atmosphere (technical)s at 1.033 227 452 8
- Torrs Torr 760
- Millitorrs mTorr 760 000
- Millimeter of mercurys mmHg 759.999 891 726
- Centimeter of mercurys cmHg 75.999 989 172 6
- Inch of mercurys inHg 29.921 255 579 7
- Millimeter of waters mmH₂O 10 332.274 528
- Centimeter of waters cmH₂O 1033.227 452 8
- Inch of waters inH₂O 406.782 461 732
- Foot of waters ftH₂O 33.898 538 477 7
- Pound per square inchs psi 14.695 948 775 5
- Kilopound per square inchs ksi 0.014 695 948 775 5
- Pound per square foots psf 2116.216 623 67
- Kilogram-force per square centimeters kgf/cm² 1.033 227 452 8
- Kilogram-force per square meters kgf/m² 10 332.274 528
- Newton per square millimeters N/mm² 0.101 325
- Dyne per square centimeters dyn/cm² 1 013 250
Every row is Atmosphere (standard) (atm) converted through the pascal, in exact rational arithmetic.
How to convert atmosphere (standard)s to inch of mercurys
Multiply the number of atmosphere (standard)s by 29.9212555797 to get inch of mercurys.
Atmosphere (standard): Exactly 101 325 Pa by definition.
Inch of mercury: US altimeter settings and barometric pressure.
Atmosphere (standard) to Inch of mercury conversion table
| Atmosphere (standard)s (atm) | Inch of mercurys (inHg) |
|---|---|
| 1 atm | 29.921 256 |
| 2 atm | 59.842 511 |
| 3 atm | 89.763 767 |
| 5 atm | 149.606 28 |
| 10 atm | 299.212 56 |
| 20 atm | 598.425 11 |
| 25 atm | 748.031 39 |
| 50 atm | 1496.0628 |
| 100 atm | 2992.1256 |
| 250 atm | 7480.3139 |
| 500 atm | 14 960.628 |
| 1000 atm | 29 921.256 |
Inch of mercury to Atmosphere (standard) conversion table
| Inch of mercurys (inHg) | Atmosphere (standard)s (atm) |
|---|---|
| 1 inHg | 0.033 421 057 |
| 2 inHg | 0.066 842 115 |
| 3 inHg | 0.100 263 17 |
| 5 inHg | 0.167 105 29 |
| 10 inHg | 0.334 210 57 |
| 20 inHg | 0.668 421 15 |
| 25 inHg | 0.835 526 43 |
| 50 inHg | 1.671 052 9 |
| 100 inHg | 3.342 105 7 |
| 250 inHg | 8.355 264 3 |
| 500 inHg | 16.710 529 |
| 1000 inHg | 33.421 057 |
Frequently asked
How many inch of mercurys are in a atmosphere (standard)?
One atmosphere (standard) equals 29.92125558 inch of mercurys (atm → inHg). That figure is exact, not rounded.
How do you convert atmosphere (standard)s to inch of mercurys?
Multiply the number of atmosphere (standard)s by 29.9212555797 to get inch of mercurys.
What is 1 inHg in atmosphere (standard)s?
One inch of mercury is 0.03342105739 atmosphere (standard)s.
What is 10 atm in inHg?
10 atm = 299.212 56 inHg.
What exactly is a atmosphere (standard)?
Exactly 101 325 Pa by definition.
What exactly is a inch of mercury?
US altimeter settings and barometric pressure.