Inches Of Mercury to Millibars Converter
How to convert inches of mercury to millibars
millibars = inches of mercury × 33.8638864
To convert inches of mercury to millibars, multiply the number of inches of mercury by 33.8638864.
1 inHg = 33.8638864 mbar
Examples
- Standard sea-level atmospheric pressure, as used for altimeter settings: 29.92 inHg × 33.8638864 = 1,013.20748 mbar
- 30 inHg × 33.8638864 = 1,015.91659 mbar
Good to know
This is the conventional inch of mercury, about 3386.389 Pa. Values defined at a specific mercury temperature differ slightly, for example 3376.85 Pa at 60 °F.
Inches of mercury to millibars conversion table
| Inches of mercury (inHg) | Millibars (mbar) |
|---|---|
| 1 inHg | 33.8638864 mbar |
| 5 inHg | 169.319432 mbar |
| 10 inHg | 338.638864 mbar |
| 20 inHg | 677.277728 mbar |
| 25 inHg | 846.59716 mbar |
| 28 inHg | 948.188819 mbar |
| 29 inHg | 982.052706 mbar |
| 29.5 inHg | 998.984649 mbar |
| 29.92 inHg | 1,013.20748 mbar |
| 30 inHg | 1,015.91659 mbar |
| 30.5 inHg | 1,032.84854 mbar |
| 31 inHg | 1,049.78048 mbar |
| 32 inHg | 1,083.64436 mbar |
| 35 inHg | 1,185.23602 mbar |
Unit definitions
- Inch of mercury (inHg)
- An inch of mercury is the pressure exerted by a 1 inch column of mercury, conventionally about 3386.389 pascals. It is used in the United States for barometric pressure in weather reports and aviation.
- Millibar (mbar)
- A millibar is one thousandth of a bar, exactly 100 pascals, and is identical to the hectopascal. It is used in meteorology for atmospheric pressure.