Millimeters of mercury (mmHg) to Millibar (mbar) Conversion
Millimeters of mercury
The millimetre of mercury (mmHg) is a unit of pressure equal to the pressure exerted by a 1 mm column of mercury at 0 °C and standard gravity — approximately 133.322 Pa. It is the universal clinical standard for measuring blood pressure: normal adult blood pressure is approximately 120/80 mmHg (systolic/diastolic). The mmHg is also used in ophthalmology (intraocular pressure, normal ≈ 10–21 mmHg) and respiratory physiology.
Millibar
The millibar (mbar) is a unit of pressure equal to one thousandth of a bar (100 Pa). It is the standard unit for atmospheric pressure in meteorology: standard atmospheric pressure is 1,013.25 mbar, and weather maps plot isobars (lines of equal pressure) in millibars or hectopascals (1 hPa = 1 mbar). The eye of a powerful hurricane can have a central pressure below 900 mbar, while high-pressure systems typically exceed 1,020 mbar.
| Millimeters of mercury (mmHg) | Millibar (mbar) |
|---|---|
| 0.1 mmHg | 0.13332237 mbar |
| 1 mmHg | 1.3332237 mbar |
| 2 mmHg | 2.6664474 mbar |
| 3 mmHg | 3.9996711 mbar |
| 5 mmHg | 6.6661185 mbar |
| 10 mmHg | 13.332237 mbar |
| 20 mmHg | 26.664474 mbar |
| 30 mmHg | 39.996711 mbar |
| 50 mmHg | 66.661185 mbar |
| 100 mmHg | 133.32237 mbar |
| 1000 mmHg | 1333.2237 mbar |
Frequently Asked Questions (FAQ)
How many millibar are in 1 millimeters of mercury?
1 millimeters of mercury (mmHg) is exactly 1.3332 millibar (mbar).
How do I convert millimeters of mercury to millibar?
Multiply the value in millimeters of mercury by 1.3332 to get the result in millibar. Or use the converter above — type any number and see the result instantly.