1 inHg = 33.863889532611 hPa
1 Inch of mercury (inHg) = 33.863889532611 Hectopascal (hPa).
If you want to reverse convert, use Hectopascal → Inch of mercury. 1 hPa = 0.029529980572285 inHg. You can also explore the full Pressure converter page for more cross conversions.
Conversion formula
Inch of mercury to Hectopascal formula: value in hPa = value in inHg × 33.863889532611.
Hectopascal to Inch of mercury formula: value in inHg = value in hPa × 0.029529980572285.
How to convert Inch of mercury to Hectopascal
To convert Inch of mercury to Hectopascal, multiply the value in inHg by 33.863889532611. This gives the result in hPa.
For example, 1 inHg = 33.863889532611 hPa and 10 inHg = 338.63889532611 hPa.
What is Inch of mercury?
Inch of mercury (inHg): A mercury-column scale used in some aviation altimeters and weather reports. 1 inHg ≈ 3386.38895 Pa.
What is Hectopascal?
Hectopascal (hPa): Weather reports use this scale for atmospheric pressure, often around a thousand hectopascals near sea level. 1 hPa = 100 Pa.
FAQ
How many hectopascal are in 1 inch of mercury?
There are 33.863889532611 hPa in 1 inHg.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert inch of mercury to hectopascal?
Multiply the value in inHg by 33.863889532611 to get the value in hPa.
Inch of mercury → other Pressure units
- 1 inch of mercury → pascal = 3386.3889532611 pascal
- 1 inch of mercury → hectopascal = 33.863889532611 hectopascal
- 1 inch of mercury → kilopascal = 3.3863889532611 kilopascal
- 1 inch of mercury → megapascal = 0.0033863889532611 megapascal
- 1 inch of mercury → bar = 0.033863889532611 bar
- 1 inch of mercury → millibar = 33.863889532611 millibar
- 1 inch of mercury → pounds per square inch = 0.49115400003207 pounds per square inch
- 1 inch of mercury → torr = 25.400076155932 torr
- 1 inch of mercury → atmosphere = 0.033421060481235 atmosphere
- 1 inch of mercury → millimeter of mercury = 25.400076155932 millimeter of mercury
Inch of mercury → Hectopascal Table
The table below shows common values from Inch of mercury to Hectopascal and the reverse direction for quick reference.
| inHg | hPa | Rounded |
|---|---|---|
| 1 inHg | 33.863889532611 hPa | 33.8639 |
| 2 inHg | 67.727779065222 hPa | 67.7278 |
| 3 inHg | 101.59166859783 hPa | 101.5917 |
| 4 inHg | 135.45555813044 hPa | 135.4556 |
| 5 inHg | 169.31944766306 hPa | 169.3194 |
| 10 inHg | 338.63889532611 hPa | 338.6389 |
| 12 inHg | 406.36667439133 hPa | 406.3667 |
| 15 inHg | 507.95834298917 hPa | 507.9583 |
| 20 inHg | 677.27779065222 hPa | 677.2778 |
| 25 inHg | 846.59723831528 hPa | 846.5972 |
| 30 inHg | 1015.9166859783 hPa | 1015.9167 |
| 40 inHg | 1354.5555813044 hPa | 1354.5556 |
| 50 inHg | 1693.1944766306 hPa | 1693.1945 |
| 75 inHg | 2539.7917149458 hPa | 2539.7917 |
| 100 inHg | 3386.3889532611 hPa | 3386.3890 |
| 200 inHg | 6772.7779065222 hPa | 6772.7779 |
| 250 inHg | 8465.9723831527 hPa | 8465.9724 |
| 500 inHg | 16931.944766305 hPa | 16931.9448 |
| 750 inHg | 25397.917149458 hPa | 25397.9171 |
| 1000 inHg | 33863.889532611 hPa | 33863.8895 |
| 2500 inHg | 84659.723831528 hPa | 84659.7238 |
| 5000 inHg | 169319.44766306 hPa | 169319.4477 |
| 10000 inHg | 338638.89532611 hPa | 338638.8953 |
Hectopascal → Inch of mercury Table
| hPa | inHg | Rounded |
|---|---|---|
| 1 hPa | 0.029529980572285 inHg | 0.0295 |
| 2 hPa | 0.05905996114457 inHg | 0.0591 |
| 3 hPa | 0.088589941716854 inHg | 0.0886 |
| 4 hPa | 0.11811992228914 inHg | 0.1181 |
| 5 hPa | 0.14764990286142 inHg | 0.1476 |
| 10 hPa | 0.29529980572285 inHg | 0.2953 |
| 12 hPa | 0.35435976686742 inHg | 0.3544 |
| 15 hPa | 0.44294970858427 inHg | 0.4429 |
| 20 hPa | 0.5905996114457 inHg | 0.5906 |
| 25 hPa | 0.73824951430712 inHg | 0.7382 |
| 30 hPa | 0.88589941716854 inHg | 0.8859 |
| 40 hPa | 1.1811992228914 inHg | 1.1812 |
| 50 hPa | 1.4764990286142 inHg | 1.4765 |
| 75 hPa | 2.2147485429214 inHg | 2.2147 |
| 100 hPa | 2.9529980572285 inHg | 2.9530 |
| 200 hPa | 5.905996114457 inHg | 5.9060 |
| 250 hPa | 7.3824951430712 inHg | 7.3825 |
| 500 hPa | 14.764990286142 inHg | 14.7650 |
| 750 hPa | 22.147485429214 inHg | 22.1475 |
| 1000 hPa | 29.529980572285 inHg | 29.5300 |
| 2500 hPa | 73.824951430712 inHg | 73.8250 |
| 5000 hPa | 147.64990286142 inHg | 147.6499 |
| 10000 hPa | 295.29980572285 inHg | 295.2998 |
Hectopascal → Inch of mercury
The reverse value is 1 hPa = 0.029529980572285 inHg.