Inch of mercury → Hectopascal (inHg → hPa)

inHg to hPa direct conversion page with calculator, reverse conversion and comparison table.

1 inHg = 33.863889532611 hPa
1 Inch of mercury (inHg) = 33.863889532611 Hectopascal (hPa).


swap converter

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

Inch of mercury → Hectopascal Table

The table below shows common values from Inch of mercury to Hectopascal and the reverse direction for quick reference.

inHghPaRounded
1 inHg33.863889532611 hPa33.8639
2 inHg67.727779065222 hPa67.7278
3 inHg101.59166859783 hPa101.5917
4 inHg135.45555813044 hPa135.4556
5 inHg169.31944766306 hPa169.3194
10 inHg338.63889532611 hPa338.6389
12 inHg406.36667439133 hPa406.3667
15 inHg507.95834298917 hPa507.9583
20 inHg677.27779065222 hPa677.2778
25 inHg846.59723831528 hPa846.5972
30 inHg1015.9166859783 hPa1015.9167
40 inHg1354.5555813044 hPa1354.5556
50 inHg1693.1944766306 hPa1693.1945
75 inHg2539.7917149458 hPa2539.7917
100 inHg3386.3889532611 hPa3386.3890
200 inHg6772.7779065222 hPa6772.7779
250 inHg8465.9723831527 hPa8465.9724
500 inHg16931.944766305 hPa16931.9448
750 inHg25397.917149458 hPa25397.9171
1000 inHg33863.889532611 hPa33863.8895
2500 inHg84659.723831528 hPa84659.7238
5000 inHg169319.44766306 hPa169319.4477
10000 inHg338638.89532611 hPa338638.8953

Hectopascal → Inch of mercury Table

hPainHgRounded
1 hPa0.029529980572285 inHg0.0295
2 hPa0.05905996114457 inHg0.0591
3 hPa0.088589941716854 inHg0.0886
4 hPa0.11811992228914 inHg0.1181
5 hPa0.14764990286142 inHg0.1476
10 hPa0.29529980572285 inHg0.2953
12 hPa0.35435976686742 inHg0.3544
15 hPa0.44294970858427 inHg0.4429
20 hPa0.5905996114457 inHg0.5906
25 hPa0.73824951430712 inHg0.7382
30 hPa0.88589941716854 inHg0.8859
40 hPa1.1811992228914 inHg1.1812
50 hPa1.4764990286142 inHg1.4765
75 hPa2.2147485429214 inHg2.2147
100 hPa2.9529980572285 inHg2.9530
200 hPa5.905996114457 inHg5.9060
250 hPa7.3824951430712 inHg7.3825
500 hPa14.764990286142 inHg14.7650
750 hPa22.147485429214 inHg22.1475
1000 hPa29.529980572285 inHg29.5300
2500 hPa73.824951430712 inHg73.8250
5000 hPa147.64990286142 inHg147.6499
10000 hPa295.29980572285 inHg295.2998

Hectopascal → Inch of mercury

The reverse value is 1 hPa = 0.029529980572285 inHg.