Convert inch of mercurys to millimeter of mercurys
1 inHg = 25.4 mmHg — 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 0.000 003 386 388 640 34
- Megapascals MPa 0.003 386 388 640 34
- Kilopascals kPa 3.386 388 640 34
- Hectopascals hPa 33.863 886 403 4
- Pascals Pa 3386.388 640 34
- Millipascals mPa 3 386 388.640 34
- Micropascals µPa 3 386 388 640.34
- Bars bar 0.033 863 886 403 4
- Millibars mbar 33.863 886 403 4
- Atmosphere (standard)s atm 0.033 421 057 393
- Atmosphere (technical)s at 0.034 531 554
- Torrs Torr 25.400 003 618 6
- Millitorrs mTorr 25 400.003 618 6
- Millimeter of mercurys mmHg 25.4
- Centimeter of mercurys cmHg 2.54
- Inch of mercurys inHg 1
- Millimeter of waters mmH₂O 345.315 54
- Centimeter of waters cmH₂O 34.531 554
- Inch of waters inH₂O 13.5951
- Foot of waters ftH₂O 1.132 925
- Pound per square inchs psi 0.491 154 147 47
- Kilopound per square inchs ksi 0.000 491 154 147 47
- Pound per square foots psf 70.726 197 235 7
- Kilogram-force per square centimeters kgf/cm² 0.034 531 554
- Kilogram-force per square meters kgf/m² 345.315 54
- Newton per square millimeters N/mm² 0.003 386 388 640 34
- Dyne per square centimeters dyn/cm² 33 863.886 403 4
Every row is Inch of mercury (inHg) converted through the pascal, in exact rational arithmetic.
How to convert inch of mercurys to millimeter of mercurys
Multiply the number of inch of mercurys by 25.4 to get millimeter of mercurys.
The exact factor is 25.4 — as a fraction, 127/5.
Inch of mercury: US altimeter settings and barometric pressure.
Millimeter of mercury: The conventional mmHg, exactly 133.322 387 415 Pa. Blood pressure uses this.
Inch of mercury to Millimeter of mercury conversion table
| Inch of mercurys (inHg) | Millimeter of mercurys (mmHg) |
|---|---|
| 1 inHg | 25.4 |
| 2 inHg | 50.8 |
| 3 inHg | 76.2 |
| 5 inHg | 127 |
| 10 inHg | 254 |
| 20 inHg | 508 |
| 25 inHg | 635 |
| 50 inHg | 1270 |
| 100 inHg | 2540 |
| 250 inHg | 6350 |
| 500 inHg | 12 700 |
| 1000 inHg | 25 400 |
Millimeter of mercury to Inch of mercury conversion table
| Millimeter of mercurys (mmHg) | Inch of mercurys (inHg) |
|---|---|
| 1 mmHg | 0.039 370 079 |
| 2 mmHg | 0.078 740 157 |
| 3 mmHg | 0.118 110 24 |
| 5 mmHg | 0.196 850 39 |
| 10 mmHg | 0.393 700 79 |
| 20 mmHg | 0.787 401 57 |
| 25 mmHg | 0.984 251 97 |
| 50 mmHg | 1.968 503 9 |
| 100 mmHg | 3.937 007 9 |
| 250 mmHg | 9.842 519 7 |
| 500 mmHg | 19.685 039 |
| 1000 mmHg | 39.370 079 |
Frequently asked
How many millimeter of mercurys are in a inch of mercury?
One inch of mercury equals 25.4 millimeter of mercurys (inHg → mmHg). That figure is exact, not rounded.
How do you convert inch of mercurys to millimeter of mercurys?
Multiply the number of inch of mercurys by 25.4 to get millimeter of mercurys.
What is 1 mmHg in inch of mercurys?
One millimeter of mercury is 0.03937007874 inch of mercurys.
What is 10 inHg in mmHg?
10 inHg = 254 mmHg.
What exactly is a inch of mercury?
US altimeter settings and barometric pressure.
What exactly is a millimeter of mercury?
The conventional mmHg, exactly 133.322 387 415 Pa. Blood pressure uses this.