Unit converter
mmHg to inHg converter
1 mmHg = 0.03937 inHg. To convert millimeters of mercury to inches of mercury, divide by 25.4. Example: 760 mmHg = 29.921 inHg (standard sea-level pressure).
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mmHg to inHg table
| mmHg | inHg |
|---|---|
| 700 | 27.5591 |
| 720 | 28.3465 |
| 730 | 28.7402 |
| 740 | 29.1339 |
| 750 | 29.5276 |
| 755 | 29.7244 |
| 760 | 29.9213 |
| 765 | 30.1181 |
| 770 | 30.315 |
| 780 | 30.7087 |
About these units
mmHg (millimeters of mercury) and inHg (inches of mercury) both measure pressure: force spread over an area.
- inHg — height of a mercury column in inches. Used for weather and aircraft altimeters in the US.
- hPa / mb — hectopascals, identical to millibars. The standard weather unit worldwide.
- mmHg — millimeters of mercury, also called torr. Used for weather in some countries and for blood pressure.
- kPa — kilopascals (10 hPa). Common in Canada and engineering.
- psi — pounds per square inch. Tires, compressors, vacuum gauges.
inHg to mmHg · All pressure units · What inHg means
Frequently asked questions
How do I convert mmHg to inHg?
To convert millimeters of mercury to inches of mercury, divide by 25.4. 1 mmHg = 0.03937 inHg.
What is standard atmospheric pressure in mmHg and inHg?
Standard sea-level pressure is 759.9999 mmHg, which is 29.9213 inHg.
How many inHg is 1 mmHg?
1 mmHg equals 0.03937 inHg, and 1 inHg equals 25.4 mmHg.